Delta Air Lines closed its Centennial year with record revenue for both the December quarter and the full year 2025, achieving a double-digit return on invested capital and record free cash flow. The company reported strong GAAP and non-GAAP financial results, driven by diversified, high-margin revenue streams and disciplined cost management, positioning it for accelerated growth in 2026.
Delta achieved record operating revenue of $16.0 billion in Q4 2025 and $63.4 billion for the full year 2025.
Diluted earnings per share (GAAP) for Q4 2025 were $1.86, with full-year GAAP EPS at $7.66.
The company generated $1.8 billion in free cash flow for the December quarter and a record $4.6 billion for the full year 2025.
Adjusted non-fuel unit cost (CASM-Ex) increased by 4.0% year-over-year in Q4 2025, while adjusted fuel price per gallon decreased by 3%.
Delta Air Lines anticipates a strong start to 2026 with accelerating top-line growth driven by consumer and corporate demand. The company expects to achieve margin expansion and 20 percent year-over-year earnings growth for the full year 2026, with March quarter revenue projected to grow 5 to 7 percent over the prior year.
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