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Delta Air Lines Announces December Quarter and Full Year 2025 Financial Results

Delta Air Lines (DAL) | January 13, 2026

By Xander Turner

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Delta Air Lines reported strong financial results for the December quarter and full year 2025.

Record revenue and double-digit return on invested capital were highlights of the performance.

2026 earnings expected to grow 20 percent year-over-year with strong fundamentals supporting revenue growth outlook.

Delta Air Lines' financial performance in 2025 reflected resilience and growth, setting the stage for a robust start in 2026 with a strategic focus on revenue and earnings growth.

Record Revenue

Delta Air Lines generated $5 billion of pre-tax profit, achieved a double-digit operating margin, and recorded a historical free cash flow of $4.6 billion.

Earnings Growth

Anticipating a substantial 20% increase in earnings in 2026, driven by a strong commencement and acceleration in top-line growth.

Financial Metrics

Reported operating revenue of $16.0 billion in the December quarter, $63.4 billion for the full year 2025, and operating income margin stood at 10.1%.

Debt Management

Closed the year 2025 with total debt and finance lease obligations amounting to $14.1 billion, leading to an adjusted debt to EBITDAR ratio of 2.4x.

  • Delta Air Lines solidified its industry leadership through robust and sustainable financial outcomes.
  • The company's distinctiveness and value creation for stakeholders, including customers, employees, and shareholders, were evident in its performance.
  • The positive 2026 momentum signals a promising growth trajectory for Delta.
  • The separation of the MRO (Maintenance, Repair, and Overhaul) business provides enhanced transparency into the core airline cost dynamics.

Delta Air Lines' financial results for 2025 showcase resilience and growth, promising a strong start to 2026. The strategic focus on revenue and earnings growth positions the company for continued success in the aviation industry.