Sun Country Airlines Secures $108 Million Term Loan Facility: Strategic Refinancing Amid Fleet Expansion and Market Consolidation

Sun Country Airlines Holdings Inc. has executed a significant financial maneuver by securing a $108 million term loan facility in September 2025, marking a strategic refinancing initiative that encompasses five Boeing 737-900 aircraft while positioning the Minneapolis-based carrier for continued growth in an increasingly consolidated aviation market. This transaction, facilitated through UMB Bank as the administrative agent and mortgagee, represents more than a simple refinancing operation, it reflects the airline’s calculated approach to fleet optimization, capital structure enhancement, and operational flexibility during a period of robust cargo expansion and reduced competitive pressure at its primary hub. The loan facility, bearing a fixed interest rate of 5.98% per annum and extending until September 2032, demonstrates Sun Country’s ability to secure favorable financing terms in a market where aviation lending rates have generally remained elevated above 6% for most carriers. This financial restructuring occurs against the backdrop of Sun Country’s unique hybrid business model that integrates scheduled passenger service, charter operations, and cargo flights for Amazon Air, creating a diversified revenue stream that has enabled the airline to maintain profitability for twelve consecutive quarters while many competitors struggle with operational challenges and market pressures.

Understanding the implications of this financing move requires a closer examination of Sun Country’s evolving business strategy, the structure of the loan facility, and the broader market context. The transaction not only supports specific fleet initiatives but also signals confidence in the company’s long-term strategy and resilience amid industry headwinds. By analyzing the details of the loan, Sun Country’s operational model, and the current state of the aviation finance market, we can better appreciate the significance of this development for both the airline and the broader industry.

This article explores the multifaceted dimensions of Sun Country’s refinancing, situating it within the airline’s transformation into a hybrid ultra-low-cost carrier, the ongoing expansion of its cargo operations, and the shifting competitive landscape at Minneapolis-Saint Paul International Airport. Through this lens, the $108 million term loan emerges as a pivotal element in Sun Country’s strategy to sustain growth, enhance operational flexibility, and maintain financial stability in a volatile market.

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Corporate Background and Business Model Evolution

Sun Country Airlines has undergone a remarkable transformation since its founding in 1982, evolving from a charter-focused carrier to what the company describes as “a new breed of hybrid low-cost air carrier.” The airline’s headquarters and primary operations are based at Minneapolis-Saint Paul International Airport, where it has developed a distinctive business model that dynamically allocates resources across three synergistic segments: scheduled passenger service, charter operations, and cargo flights. This strategic approach enables Sun Country to optimize aircraft utilization by shifting capacity to markets experiencing peak demand while reducing exposure to seasonal fluctuations that typically challenge leisure-focused carriers.

The company’s operational philosophy centers on maintaining exceptional flexibility in deployment decisions. CEO Jude Bricker has explained that Sun Country evaluates each day of scheduling independently, determining the best use for each aircraft based on current market conditions. This methodology allows the airline to achieve superior asset utilization compared to traditional carriers by avoiding the constraint of maintaining consistent daily schedules when demand conditions vary significantly. The carrier’s approach to cost management emphasizes reducing fixed expenses, exemplified by their conversion of an existing maintenance hangar into corporate headquarters and their strategy of owning rather than leasing aircraft to maintain operational control.

Sun Country’s business model received validation through its acquisition by Apollo Global Management in December 2017, followed by a successful public offering in March 2021. Apollo’s recent divestiture of its remaining 12% stake in February 2025 through a secondary public offering demonstrates the private equity firm’s confidence in the airline’s strategic positioning and management execution. The transaction structure, which included Sun Country’s repurchase of shares using existing cash reserves, reflects the company’s strong balance sheet and commitment to shareholder value creation.

The airline’s transformation into an ultra-low-cost carrier involved significant operational changes, including aircraft reconfiguration to increase seating capacity, implementation of ancillary revenue programs, and elimination of many complimentary services. However, Sun Country has retained certain passenger amenities that differentiate it from competitors, including free entertainment streaming, relatively spacious interiors, full-sized tray tables, and in-seat power outlets, creating a hybrid positioning that balances cost efficiency with customer comfort. This strategic differentiation has enabled the carrier to maintain pricing power while serving leisure and visiting friends and relatives (VFR) passengers who prioritize value but appreciate enhanced comfort during travel.

“We look at a day of scheduling airlines independent from any other day and determine what’s the best thing a plane can do right now, and then the second-best thing and the third.” , CEO Jude Bricker

Detailed Analysis of the $108 Million Term Loan Facility

The $108 million Term Loan Facility Agreement executed on September 26, 2025, represents a sophisticated financing structure designed to optimize Sun Country’s capital allocation and fleet management strategy. The facility, arranged with UMB Bank, National Association serving as administrative agent and mortgagee, will be drawn in two distinct tranches to accommodate the airline’s operational requirements and asset utilization timeline. The first borrowing occurred on the facility’s closing date, while the second drawdown is scheduled to occur on or prior to December 19, 2025, providing Sun Country with structured access to capital that aligns with its fleet reintegration schedule.

The loan proceeds serve multiple strategic purposes, including the complete repayment of Sun Country’s existing term loan facility dated March 21, 2023, the refinancing of five Boeing 737-900 aircraft currently owned by the carrier, and funding for general corporate purposes. Three of the five aircraft covered by this refinancing are currently operating under lease agreements with an unaffiliated airline, with lease expirations scheduled for November 30, 2025, September 30, 2026, and November 30, 2026. Upon termination of these lease arrangements, the aircraft will be integrated into Sun Country’s active fleet, providing additional capacity for the carrier’s scheduled passenger operations.

The financing structure incorporates a fixed interest rate of 5.98% per annum, representing favorable terms in the current aviation lending environment where rates typically exceed 6% for most general aviation transactions. This competitive pricing reflects both Sun Country’s strong credit profile and the secured nature of the transaction, with the loan collateralized by the five Boeing 737-900 aircraft, their associated lease agreements, maintenance reserve amounts, and security deposits. The collateral package is governed by a comprehensive Security Agreement that provides lenders with robust protection while maintaining Sun Country’s operational flexibility.

The loan’s amortization schedule commences with quarterly payments beginning approximately December 22, 2025, with the remaining balance due in a single payment on the maturity date of September 22, 2032. This seven-year term structure provides Sun Country with extended repayment flexibility while aligning with typical aircraft financing arrangements in the current market. The facility includes standard mandatory prepayment provisions that may require Sun Country to reduce outstanding obligations in connection with collateral asset dispositions, while also permitting voluntary prepayments without penalty in most circumstances.

Importantly, the Term Loan Facility does not restrict Sun Country’s ability to incur additional unsecured debt or secure financing against assets outside the defined collateral package, preserving the airline’s financial flexibility for future growth initiatives. The agreement incorporates customary events of default provisions, with automatic acceleration of outstanding obligations in certain bankruptcy or insolvency scenarios, while other default events require lender action to accelerate repayment. This financing structure demonstrates sophisticated risk management while providing Sun Country with the capital flexibility necessary to execute its hybrid business model effectively.

Sun Country’s $108 million term loan facility, secured at a fixed rate of 5.98%, stands out in a market where aviation lending rates have generally remained above 6% for most carriers.

Strategic Context and Fleet Expansion Initiatives

Sun Country’s $108 million refinancing transaction occurs within the broader context of significant fleet expansion and operational scaling, particularly in the cargo segment where the airline has established a substantial partnership with Amazon Air. The carrier’s Cargo-Aircraft operations have experienced remarkable growth, with second-quarter 2025 cargo revenue reaching $35 million, representing a notable increase compared to the same period in 2024. This growth trajectory reflects Sun Country’s strategic decision to expand its cargo fleet from 12 to 20 aircraft through an amended agreement with Amazon that extends the partnership through 2030, with options for further extension until 2037.

The airline’s fleet expansion strategy encompasses both cargo and passenger aircraft, with Sun Country taking delivery of eight additional cargo aircraft during the second and third quarters of 2025. As of the second quarter’s conclusion, 15 cargo aircraft were in active service, with management expecting all 20 freighters to be operational by the end of the third quarter. This aggressive expansion in cargo capacity has necessitated corresponding adjustments in passenger service allocation, resulting in a 3.9% decline in total available seat miles (ASMs) and a 6.2% reduction in scheduled service ASMs during the second quarter.

The integration of Boeing 737-900ER aircraft into Sun Country’s scheduled passenger network represents a significant operational enhancement, as these aircraft become the largest type in the carrier’s fleet. Sun Country initially acquired five 737-900ERs in 2023, though the aircraft were immediately placed under lease agreements with Oman Air to generate revenue while the carrier optimized its network planning. The reintegration of these aircraft, beginning with initial service on September 26, 2025, on routes from Minneapolis to Phoenix and Las Vegas, demonstrates Sun Country’s methodical approach to capacity management.

The strategic timing of this fleet expansion aligns with Sun Country’s assessment of reduced competitive pressure at Minneapolis-Saint Paul International Airport, where many low-cost carriers are maintaining flat or diminishing presence. This market dynamic has created what CEO Jude Bricker characterizes as “very quickly, a two-airline market” alongside Delta Air Lines, potentially providing Sun Country with enhanced pricing power and market share opportunities. The airline’s positioning as the second-largest carrier at MSP, behind Delta’s dominant position, provides significant strategic advantages in terms of slot access, ground handling efficiency, and passenger convenience.

Sun Country’s fleet strategy also reflects broader industry trends toward aircraft ownership rather than leasing, providing greater operational control and potentially superior long-term economics. The airline’s emphasis on owning its aircraft assets enables more flexible maintenance scheduling, configuration optimization, and asset utilization across its three business segments. This ownership approach has proven particularly valuable in the current market environment, where aircraft values have remained elevated and leasing rates have increased substantially compared to pre-pandemic levels.

Financial Performance and Market Position Analysis

Sun Country’s financial performance during 2025 demonstrates the effectiveness of its hybrid business model and strategic positioning within the competitive landscape. The airline reported second-quarter 2025 revenue of $264 million, marking the highest second-quarter performance in company history and representing a 3.6% increase compared to the prior year period. This revenue growth occurred despite the carrier’s strategic reduction in passenger capacity to accommodate cargo fleet expansion, highlighting the superior economics of its diversified operational approach.

The company’s profitability metrics reflect consistent execution of its low-cost, high-utilization strategy, with GAAP diluted earnings per share of $0.12 and adjusted diluted earnings per share of $0.14 for the second quarter. Operating income reached $16 million with a 6.2% margin, while adjusted operating income totaled $18 million with a 6.8% margin. These results contributed to Sun Country’s twelfth consecutive profitable quarter, demonstrating remarkable consistency in an industry characterized by volatile performance.

The airline’s adjusted EBITDA performance provides additional insight into operational efficiency, reaching $42.8 million for the second quarter with a 16.2% margin, compared to $37.6 million and 14.8% margin in the prior year period. For the six-month period ending June 30, 2025, adjusted EBITDA totaled $127.4 million with a 21.6% margin, representing improvement from $118.1 million and 20.9% margin in the comparable 2024 period. These metrics underscore Sun Country’s ability to generate superior cash flow through its asset-light operational approach and dynamic capacity allocation.

The company’s stock performance has reflected both its operational success and broader market dynamics affecting the airline industry. With a market capitalization of approximately $634 million and trading volume averaging over 1 million shares, Sun Country maintains active investor interest despite broader sector volatility. Analyst consensus maintains a “Buy” rating with a price target of $17.86, representing significant upside potential from recent trading levels. The forward price-to-earnings ratio of 9.05 suggests that Sun Country trades at a discount to historical valuations despite its consistent profitability and growth trajectory.

Sun Country’s balance sheet strength provides substantial flexibility for continued growth and strategic initiatives. The airline’s debt structure has been optimized through strategic refinancing activities, including the recent $108 million term loan facility that replaces higher-cost existing debt with favorable fixed-rate financing. The company’s approach to capital allocation emphasizes maintaining low fixed costs while investing in revenue-generating assets, particularly cargo aircraft that provide stable, counter-seasonal cash flows.

The carrier’s revenue diversification across passenger, charter, and cargo segments provides significant operational resilience compared to traditional airlines that depend primarily on scheduled passenger service. Cargo operations have become particularly valuable, generating $35 million in second-quarter revenue while operating under long-term contracts that provide predictable cash flows. Charter operations contribute additional revenue flexibility, allowing Sun Country to capitalize on peak demand periods while maintaining aircraft utilization during traditionally slower passenger travel periods.

Aviation Financing Market Landscape and Industry Context

The broader aviation financing market in 2025 presents a complex environment characterized by elevated interest rates, constrained aircraft availability, and evolving lender requirements that significantly impact carrier financing strategies. Interest rates for aviation lending currently remain in the high 6% range for most general aviation transactions, representing a substantial increase from the sub-4% rates available just a few years prior to the current monetary policy environment. Sun Country’s ability to secure 5.98% fixed-rate financing demonstrates both the airline’s strong credit profile and the competitive dynamics within the secured aircraft lending market.

Market-Analysis dynamics in 2025 reflect ongoing supply constraints that continue to drive aircraft values upward while impacting financing conditions across all segments. The availability of newer aircraft remains particularly constrained, a trend expected to persist throughout 2025 and potentially beyond as original equipment manufacturers struggle with persistent supply chain challenges. These constraints have created favorable conditions for aircraft owners and lessors while increasing competition among airlines for available capacity.

Lease rates for narrowbody aircraft have remained elevated following significant increases during the second half of 2023, with market lease rates for new Airbus A320neo and Boeing 737 MAX 8 aircraft reaching approximately $400,000 per month. Previous-generation aircraft, including the Boeing 737-800 series that comprises the majority of Sun Country’s fleet, command lease rates between $230,000-$250,000 for mid-life aircraft, reflecting continued strong demand and limited availability. These elevated lease rates underscore the economic advantages of Sun Country’s aircraft ownership strategy compared to carriers dependent on leased capacity.

The aircraft finance market has experienced increased activity in asset-backed securitization (ABS) transactions, indicating continued strong demand for aviation financing solutions across both commercial and general aviation segments. Banks have become more competitive in their lending approaches as profitability has improved due to higher interest rate environments, creating opportunities for well-positioned borrowers to secure favorable financing terms. This competitive dynamic has benefited airlines like Sun Country that maintain strong credit profiles and offer substantial collateral security.

Aviation finance market participants are closely monitoring potential policy changes that could impact demand patterns, including proposed restoration of 100% bonus depreciation that could stimulate aircraft acquisition activity. Additionally, ongoing geopolitical uncertainties and economic volatility continue to influence lending standards and risk assessment methodologies across the aviation finance sector. The push toward Sustainability and environmental considerations is also beginning to influence financing terms, with potential implications for older, less fuel-efficient aircraft.

Lease rates for mid-life Boeing 737-800s have risen to $230,000–$250,000 per month, highlighting the value of Sun Country’s aircraft ownership strategy.

Industry Competitive Dynamics and Market Positioning

Sun Country’s strategic positioning within the ultra-low-cost carrier (ULCC) segment has been significantly enhanced by recent market developments that have reduced competitive pressure while creating opportunities for market share expansion. The airline’s hybrid business model differentiates it from traditional ULCCs by incorporating charter and cargo operations that provide revenue stability and asset utilization optimization unavailable to carriers focused solely on scheduled passenger service. This operational flexibility has proven particularly valuable during periods of demand volatility and competitive intensity.

The competitive landscape at Minneapolis-Saint Paul International Airport has undergone substantial changes, with several low-cost carriers including Spirit, Frontier, Allegiant, and Southwest maintaining flat or reduced presence compared to previous years. CEO Jude Bricker’s characterization of MSP as “very quickly, a two-airline market” alongside Delta Air Lines reflects a significant strategic opportunity for Sun Country to capture additional market share and potentially achieve enhanced pricing power. This market consolidation trend aligns with broader industry dynamics where financial pressures have forced several carriers to rationalize their network footprints.

Spirit Airlines’ recent emergence from Chapter 11 bankruptcy proceedings, accompanied by pilot furloughs and capacity reductions, exemplifies the operational challenges facing traditional ULCCs in the current market environment. The announcement of 270 pilot furloughs and 140 demotions to accommodate a leaner summer schedule demonstrates the financial pressures affecting competitors, while Sun Country continues to expand its operations and maintain profitability. This competitive dynamic provides Sun Country with opportunities to capture displaced passengers and potentially recruit experienced aviation professionals from struggling competitors.

The airline’s cargo partnership with Amazon Air provides a significant competitive advantage that distinguishes Sun Country from other passenger-focused carriers. The extension of this partnership through 2030, with options extending to 2037, creates a stable revenue foundation that enables Sun Country to optimize its passenger operations without relying exclusively on volatile leisure travel demand. This diversification strategy has proven particularly effective during seasonal periods when passenger demand traditionally declines, allowing Sun Country to maintain consistent profitability while competitors experience earnings volatility.

Sun Country’s approach to network planning and capacity allocation represents a fundamental differentiation from traditional airline scheduling practices. The carrier’s willingness to ground aircraft when market conditions do not support profitable deployment contrasts sharply with legacy carriers that maintain consistent schedules regardless of demand fluctuations. This operational philosophy requires substantial fixed cost control and asset ownership flexibility, both of which Sun Country has achieved through its strategic emphasis on owned aircraft and lean organizational structure.

The airline’s charter operations provide additional competitive differentiation by enabling Sun Country to serve specialized markets and capture premium pricing opportunities unavailable to scheduled carriers. Charter services complement the airline’s scheduled network by utilizing aircraft during off-peak periods while generating higher revenue per flight hour compared to typical scheduled operations. This business segment also provides valuable market intelligence about emerging travel patterns and potential new route opportunities.

Implications for Future Growth and Strategic Development

Sun Country’s successful execution of the $108 million term loan facility positions the airline for continued growth and strategic flexibility as market conditions evolve throughout 2025 and beyond. The refinancing transaction’s favorable terms and extended maturity provide Sun Country with enhanced financial capacity to pursue growth opportunities while maintaining the operational flexibility that distinguishes its business model. The integration of five Boeing 737-900ER aircraft into active passenger service will provide additional capacity in key leisure markets while offering superior economics compared to the airline’s smaller 737-800 aircraft.

The airline’s strategic focus on cargo operations through its Amazon Air partnership represents a significant competitive advantage that is likely to drive continued growth and profitability. The expansion from 12 to 20 cargo aircraft provides Sun Country with substantial revenue diversification while generating predictable cash flows that enhance financial stability. This cargo growth trajectory aligns with broader e-commerce trends and Amazon’s continued expansion of its logistics network, suggesting sustained demand for Sun Country’s cargo services.

Sun Country’s positioning within the Minneapolis-Saint Paul market provides substantial opportunities for continued expansion as competitive pressure decreases. The airline’s relationship with Delta Air Lines as the market’s other major carrier creates potential for complementary route development and coordinated capacity management that could benefit both airlines. Sun Country’s focus on leisure and VFR traffic segments aligns well with MSP’s geographic position and demographic characteristics, supporting sustainable growth in passenger operations.

The broader aviation finance market’s evolution toward higher interest rates and constrained aircraft availability creates both challenges and opportunities for Sun Country’s continued expansion. The airline’s emphasis on aircraft ownership and strong balance sheet management positions it favorably compared to competitors dependent on expensive leased capacity. Sun Country’s ability to secure favorable financing terms, as demonstrated by the recent $108 million term loan facility, provides significant advantages in aircraft acquisition and fleet expansion initiatives.

Technological advancement and sustainability considerations are likely to influence Sun Country’s future fleet planning and operational strategies. The airline’s focus on newer, more fuel-efficient aircraft aligns with industry trends toward environmental responsibility while providing operational cost advantages. Sun Country’s hybrid business model creates opportunities to optimize aircraft utilization across multiple revenue streams, potentially enabling faster adoption of new technologies and more efficient aircraft types.

The potential restoration of 100% bonus depreciation could significantly impact Sun Country’s aircraft acquisition strategies by improving the economics of ownership compared to leasing alternatives. This policy change would align with Sun Country’s strategic preference for owned assets while potentially accelerating fleet modernization initiatives. The airline’s established relationships with aircraft financing specialists like UMB Bank position it well to capitalize on favorable policy changes and market opportunities.

Conclusion

Sun Country Airlines’ execution of a $108 million term loan facility represents far more than a routine refinancing transaction, it demonstrates the strategic sophistication and financial discipline that have enabled this Minneapolis-based carrier to thrive in an increasingly challenging aviation environment. The 5.98% fixed-rate financing secured through UMB Bank provides Sun Country with favorable capital costs while supporting the integration of five Boeing 737-900ER aircraft that will enhance the airline’s passenger operations and fleet utilization efficiency. This transaction occurs within the context of Sun Country’s remarkable transformation into a profitable hybrid carrier that has achieved twelve consecutive quarters of profitability through its innovative approach to capacity allocation across passenger, charter, and cargo operations.

The broader implications of this financing extend well beyond Sun Country’s immediate capital needs, reflecting the airline’s strategic positioning to capitalize on market consolidation at Minneapolis-Saint Paul International Airport and continued growth in cargo operations through its Amazon Air partnership. The reduction in competitive pressure from struggling ultra-low-cost carriers, combined with Sun Country’s operational flexibility and financial strength, creates substantial opportunities for market share expansion and enhanced profitability. The airline’s emphasis on aircraft ownership rather than leasing provides significant advantages in the current market environment, where lease rates have increased substantially and aircraft availability remains constrained. Sun Country’s success in securing favorable financing terms while many competitors struggle with operational and financial challenges underscores the effectiveness of its hybrid business model and disciplined approach to cost management. As market conditions continue to evolve throughout 2025 and beyond, Sun Country’s strong balance sheet, favorable financing arrangements, and unique competitive positioning provide a solid foundation for continued growth and value creation.

FAQ

What is the purpose of Sun Country Airlines’ $108 million term loan facility?
The loan is intended to refinance five Boeing 737-900 aircraft, repay an existing term loan, and support general corporate purposes, providing Sun Country with operational flexibility and favorable fixed-rate financing.

How does the loan facility impact Sun Country’s fleet strategy?
The refinancing allows Sun Country to integrate five Boeing 737-900ERs into its active fleet, enhancing capacity and supporting the airline’s growth plans in both passenger and cargo operations.

What makes Sun Country’s business model different from other low-cost carriers?
Sun Country operates a hybrid model that combines scheduled passenger service, charter flights, and cargo operations for Amazon Air, resulting in diversified revenue streams and superior asset utilization.

How has the competitive landscape at Minneapolis-Saint Paul International Airport changed?
Reduced presence by several low-cost carriers has created a more consolidated market, positioning Sun Country as the primary competitor to Delta Air Lines and providing opportunities for market share growth.

What are the broader implications for the airline industry?
Sun Country’s success in securing favorable financing and maintaining profitability highlights the value of operational flexibility, revenue diversification, and disciplined cost management in a challenging aviation environment.

Sources: Investing.com