Delta Air Lines (DAL) Cost of Revenue (2009 - 2026)

Delta Air Lines has reported Cost of Revenue for 18 years, with the latest figure at $666.0 million in Q1 2026.

• For the quarter ending Q1 2026, Cost of Revenue fell 72.37% year-over-year to $666.0 million; the trailing twelve-month figure through Mar 2026 stood at -$3.1 billion (down 125.08% YoY), and the FY2025 full-year result was $2.4 billion, down 77.4% from the prior year.
• Cost of Revenue for Q1 2026 stood at $666.0 million, up from -$5.1 billion in the prior quarter.
• The five-year high for Cost of Revenue was $9.4 billion in Q4 2023, with the low at -$5.1 billion in Q4 2025.
• Historically, Cost of Revenue has averaged $1.9 billion across 5 years, with a median of $673.0 million in 2025.
• Annual changes were most pronounced in 2023 — Cost of Revenue jumped 1560.78% — and 2025, when it slumped 158.1%.
• Delta Air Lines' Cost of Revenue stood at $566.0 million in 2022, then jumped by 1560.78% to $9.4 billion in 2023, then slipped by 7.51% to $8.7 billion in 2024, then slumped by 158.1% to -$5.1 billion in 2025, then surged by 113.19% to $666.0 million in 2026.
• The last three Cost of Revenue figures came in at $666.0 million (Q1 2026), -$5.1 billion (Q4 2025), and $578.0 million (Q3 2025), per Business Quant data.