On the Record · Delta Air Lines
Delta Air Lines competitors, on the record
The companies Delta Air Lines names as competitors in its annual reports, 2023 to 2025, and the companies that name Delta Air Lines, each with the sentence and the filing.
Who Delta Air Lines names
| Company | Named in |
|---|---|
| Alaska Airlines | 2025 |
| Allegiant Air | 2025 |
| American Airlines | 2025 |
| Frontier Airlines | 2025 |
| JetBlue Airways | 2025 |
| Southwest Airlines | 2025 |
| Spirit Airlines | 2025 |
| United Airlines | 2025 |
In its own words
Alaska Airlines, Allegiant Air, American Airlines, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United Airlines
Word for word“Our domestic operations are subject to significant competition from traditional network carriers, including American Airlines and United Airlines, national point-to-point carriers, including Alaska Airlines, JetBlue Airways and Southwest Airlines, and other discount or ultra-low-cost carriers, including Allegiant Air, Frontier Airlines and Spirit Airlines.” 10-K for 2025
Who names Delta Air Lines
Companies whose own annual reports name Delta Air Lines as a competitor.
Word for word“Our largest competitor is Delta Air Lines Inc. (Delta).” 10-K for 2025
Word for word“We overlap with Southwest Airlines on 73 routes, Breeze Airways on 35 routes, Spirit Airlines on 26 routes, Frontier Airlines on 26 routes, American Airlines on 16 routes, United Airlines on 12 routes, JetBlue Airways on 11 routes, Delta Air Lines on nine routes, Alaska Airlines on two routes, and Sun Country Airlines on one route.” 10-K for 2025
Word for word“We compete with a number of other airlines that currently serve some of the routes on which we operate, including Avianca, American Airlines, Delta Air Lines, Aeromexico, and LATAM, among others.” 20-F for 2025
Word for word“Our principal competitors on domestic routes are American Airlines, Delta Air Lines, United Airlines and Southwest Airlines (which classifies itself as a LCC), which are commonly referred to as the “Big Four” carriers, and Alaska Airlines and Hawaiian Airlines, who completed their merger in 2024, which together with JetBlue Airways Corporation (which classifies itself as a LCC), are commonly referred to as the “Middle Three” carriers.” 10-K for 2025
Word for word“In recent years, the majority of domestic airline service has been provided by Southwest and the other largest major U.S. airlines, including American Airlines, Delta Air Lines, and United Airlines.” 10-K for 2025
Word for word“Our key competitors on domestic routes include Alaska Airlines, Allegiant Travel Company, American Airlines, Delta Air Lines, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines and United Airlines.” 10-K for 2025
Read from Delta Air Lines’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-11. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.