Delta Air Lines, Inc.
Key statistics
from XBRL data in SEC filingsAI briefing
from the latest 10-K, 10-Q and 8-K eventsDelta Air Lines is a major U.S. scheduled passenger airline with a diversified revenue model, including premium products, loyalty, and MRO services.
What they do
Delta operates scheduled air transportation for passengers and cargo, with a focus on premium products and customer experience. It also generates revenue through its SkyMiles loyalty program, travel-related services, a refinery (Monroe), and Delta TechOps third-party maintenance, repair, and overhaul (MRO) business. The airline operates domestically and internationally, with joint ventures and alliances like SkyTeam.
Revenue drivers
- Ticket - Premium products — Premium cabin tickets generated $22.1B in 2025, up 7% YoY, driven by yield strength and investment in premium seats; a key growth segment.
- Ticket - Main cabin — Main cabin tickets generated $23.4B in 2025, down 5% YoY, though unit revenue grew double-digits in the June 2026 quarter.
- Loyalty travel awards — Loyalty travel awards (SkyMiles) generated $4.2B in 2025, up 10% YoY; loyalty and related revenue grew 19% in the June 2026 quarter, with American Express remuneration of $8.2B in 2025.
- Other revenue — Other revenue (including refinery sales, MRO, cargo) was $10.7B in 2025, up 8% YoY; cargo grew 9% in 2025 and 39% in the June 2026 quarter, MRO grew 32% in that quarter.
Recent performance
In the June 2026 quarter, Delta reported GAAP operating revenue of $19.8B, operating income of $1.9B (9.4% margin), EPS of $2.44, and operating cash flow of $1.6B. On a non-GAAP basis, revenue was $17.7B, operating income $1.6B (8.8% margin), EPS $1.56, and operating cash flow $1.7B. This was above guidance, with total revenue up 14% YoY on ~1% capacity growth. For 2025, revenue was $63.4B, net income $5.0B, and diluted EPS $7.66, with operating income of $5.8B.
Strategy
Delta is focused on diversifying revenue streams, which accounted for 61% of total revenue in the June 2026 quarter, up 2 points YoY. The company is investing in premium seats, loyalty engagement, and its MRO business (legacy engine platforms), while also paying down debt to strengthen its investment-grade balance sheet. Management affirmed full-year 2026 guidance for adjusted EPS of $6.50-$7.50 and free cash flow of $3-$4 billion, with a plan to grow earnings 20%.
Risks
- Fuel price volatility — June 2026 quarter saw the highest fuel expense in company history ($4.1B, up from $2.5B YoY); fuel price increases could pressure margins despite hedging.
- Public health threats — Disease outbreaks or public health measures could materially reduce travel demand, as experienced during COVID-19.
- Geopolitical conflict and terrorism — Terrorist attacks, geopolitical conflict, or security events could adversely affect operations and demand, despite security measures.
- Competition and regulatory — Intense competition from other carriers, including joint ventures and alliances, and DOT/FAA regulations on pricing, slots, and consumer protection could impact profitability.
Outlook
Management expects September 2026 quarter revenue to grow mid-teens YoY with operating margin of 11%-13% and EPS of $2.00-$2.50. Full-year 2026 guidance is affirmed: adjusted EPS of $6.50-$7.50 and free cash flow of $3-$4 billion, with gross leverage approximately 2x. The company plans a 15% dividend increase beginning in the September quarter. Guidance assumes fuel at the forward curve as of July 2, 2026, resulting in an all-in fuel price of approximately $3.15 per gallon.