8-K: Sun Country Airlines Secures $108M Aircraft Refinancing

Sun Country Airlines Holdings, Inc. has secured a new $108 million term loan facility to refinance five Boeing 737-900ER aircraft and for general corporate purposes, replacing an existing facility.

Summary

• Sun Country Inc., a wholly-owned subsidiary of Sun Country Airlines Holdings, Inc., entered into a $108,000,000 Term Loan Facility Agreement on September 26, 2025.
• The facility will be drawn in two parts: the first borrowing occurred on the closing date, and the second borrowing will occur on or prior to December 19, 2025.
• Proceeds from the new facility will be used to pay off an existing term loan facility (dated March 21, 2023), refinance five Boeing 737-900ER aircraft, and for general corporate purposes.
• The loans under the Term Loan Facility bear a fixed interest rate of 5.98% per annum.
• Amortization payments will be made quarterly, commencing on or about December 22, 2025, with the remaining balance due on the maturity date of September 22, 2032.
• The obligations are primarily secured by the five Boeing 737-900ER aircraft and, so long as the aircraft are on lease, the associated leases, including maintenance reserve amounts and security deposits.
• Three of the five refinanced aircraft are currently on lease to an unaffiliated airline (Oman Air SAOC) and will remain on lease until their respective expirations on November 30, 2025, September 30, 2026, and November 30, 2026, after which they will join the Sun Country fleet.

Sentiment

Score: 7

Explanation: The filing indicates a successful refinancing of existing debt and securing new capital for general corporate purposes at a fixed rate, which provides financial stability. While it's a debt obligation, it's a positive step in managing the company's balance sheet and fleet assets, reflecting sound financial management.

Positives

• Secured $108 million in new financing, providing capital for refinancing and general corporate purposes.
• The fixed interest rate of 5.98% per annum provides certainty in borrowing costs, mitigating exposure to potential interest rate fluctuations.
• Successfully refinanced an existing term loan facility, potentially optimizing the company's debt structure and terms.
• The facility offers flexibility, allowing proceeds to be used for general corporate purposes beyond just refinancing.

Negatives

• The new facility is secured by five Boeing 737-900ER aircraft, which are significant company assets, limiting their availability as collateral for future financing.
• Mandatory prepayment provisions exist, requiring the company to prepay obligations under specific circumstances such as an Event of Loss or Disposition of collateral.
• Failure to draw the second part of the loan by December 19, 2025, would trigger an immediate full prepayment of outstanding loans, including a premium, indicating a potential financial penalty for non-compliance with the drawdown schedule.

Risks

• Risk of acceleration of outstanding obligations upon an Event of Default, including payment failures, breaches of representations or warranties, failure to perform covenants, or bankruptcy events.
• Potential for increased costs or reduced amounts receivable due to future regulatory changes, capital adequacy requirements, or withholding taxes.
• Exposure to liabilities, obligations, losses, and expenses related to the aircraft, including those arising from manufacture, operation, maintenance, environmental control, and tort liability.
• Risk of losing its air carrier operating certificate or certificate of public convenience and necessity, which would constitute an Event of Default.
• The validity, perfection, or priority of the liens created by the security documents could be contested, potentially impacting the lenders' security interest.
• Operational risks associated with three aircraft currently on lease to an unaffiliated airline until late 2025 and 2026, including potential lease event defaults or delays in joining the Sun Country fleet.

Future Outlook

The company expects to utilize the new term loan facility to refinance existing debt and support general corporate purposes, with the second part of the borrowing anticipated by December 19, 2025. Three aircraft currently on lease will join the Sun Country fleet upon lease expiration between late 2025 and late 2026.

Industry Context

This refinancing activity is a standard practice in the airline industry for managing fleet assets and optimizing capital structure. Securing a fixed-rate term loan for aircraft assets provides stability in financing costs, which is particularly valuable in an environment of fluctuating interest rates. The continued leasing of some aircraft to other carriers, even while securing them as collateral, demonstrates a common strategy for maximizing asset utilization and revenue generation within the aviation sector.

Comparison to Industry Standards

• The fixed interest rate of 5.98% for a secured term loan on Boeing 737-900ER aircraft appears competitive, especially when compared to recent unsecured corporate debt issuances or variable-rate loans which carry exposure to rising benchmark rates.
• The loan amount of $21.6 million per Boeing 737-900ER aircraft is consistent with typical asset-backed financing structures for mid-life narrow-body aircraft, reflecting their market value and the collateral quality.
• The practice of leasing aircraft to unaffiliated airlines, such as Oman Air SAOC, is a common strategy among carriers like Southwest Airlines or Ryanair, who also manage a mix of owned and leased aircraft, to optimize fleet utilization and generate ancillary revenue.

Stakeholder Impact

• Shareholders: Benefits from stable financing and efficient capital management, potentially reducing financial risk and supporting future growth initiatives.
• Creditors: The new facility is secured by aircraft, providing collateral for lenders and potentially improving the company's overall credit profile by refinancing existing debt.
• Employees and Customers: Continued stable operations and fleet management support job security and service reliability.

Next Steps

• Second borrowing under the Term Loan Facility to occur on or prior to December 19, 2025.
• Quarterly amortization payments for the Term Loans to commence on or about December 22, 2025.
• Three aircraft currently on lease to an unaffiliated airline will join the Sun Country fleet upon lease expiration (November 30, 2025, September 30, 2026, and November 30, 2026).
• Company to furnish audited consolidated annual financial statements within 180 days after December 31, 2025.
• Company to furnish consolidated quarterly financial statements within 75 days after the end of each of the first three fiscal quarters.
• Company to provide an annual Technical Status Report on each Aircraft and Engine within 20 days after the end of every calendar year.

Key Dates

Recommendation

The filing indicates a standard refinancing transaction that improves the company's debt structure by securing a fixed-rate loan for its aircraft assets. This move provides financial stability and predictability of interest expenses, which is a positive for long-term planning. However, it does not present new growth catalysts or significant changes to the company's operational outlook that would warrant a 'buy' or 'sell' recommendation. The transaction is largely an expected financial management activity.

Keywords

Sun Country Airlines, SNCY, Aircraft Financing, Term Loan, Boeing 737-900ER, Airline Industry, Debt Refinancing, SEC Filing, Aviation, Fixed Rate Loan