Delta Air Lines — Complete Airline Guide 2026
Atlanta, Georgia · Founded 1929 · SkyTeam
Delta Air Lines is one of the world's largest and most awarded airlines, headquartered in Atlanta, Georgia. Delta operates the world's busiest hub at Hartsfield–Jackson Atlanta International Airport (ATL) and maintains significant operations at eight other hub airports. As the flagship carrier of the SkyTeam alliance, Delta is consistently rated among the top U.S. airlines for reliability, customer service, and operational performance. The airline offers multiple cabin products including Delta One (international business), First Class (domestic), Delta Premium Select, Comfort+, and Main Cabin.
Delta Hub Airports
Delta Air Lines operates from 8 hub airports and 3 focus cities across the United States:
Delta Terminal Locations at U.S. Airports
Find which terminal Delta Air Lines uses at airports across the U.S. Click the airport code to see the full airport guide with maps, dining, and more.
| Code | Airport | Terminal | Gates |
|---|---|---|---|
| ATL | Atlanta | Concourse A, Concourse B, Concourse C, International Terminal — Concourses E & F | A1–A34, B1–B38, C1–C48, E1–E36, F1–F14 |
| BOS | Boston | Terminal A | A1–A22 |
| BWI | Baltimore/Washington | Concourse C | C1–C10 |
| CLT | Charlotte | Concourse D | D1–D20 |
| DCA | Washington National | Terminal B | B10–B37 |
| DEN | Denver | Concourse C | C28–C53 |
| DFW | Dallas/Fort Worth | Terminal E | E1–E38 |
| DTW | Detroit | McNamara Terminal (Concourses A & B) | A1–A78, B1–B43 |
| EWR | Newark | Terminal B | B1–B20 |
| FLL | Fort Lauderdale | Terminal 2 | Gates D1–D12, E1–E8 |
| HNL | Honolulu | Terminal 2 (Lobby 5–8) | Gates 31–60 |
| IAD | Washington Dulles | Concourse C/D | C1–C22, D1–D28 |
| IAH | Houston Intercontinental | Terminal E | E1–E24 |
| JFK | New York JFK | Terminal 2, Terminal 4 | Gates 21–29, Gates A1–A12, B20–B47 |
| LAS | Las Vegas | Terminal 1 (Gates A, B, C, D) | A1–A19, B1–B26, C1–C24, D1–D46 |
| LAX | Los Angeles | Terminal 2, Terminal 3 | Gates 21–28, Gates 30–39 |
| LGA | New York LaGuardia | Terminal C | C1–C40+ |
| MCO | Orlando | North Terminal (Gates 1–59) | Gates 1–59 |
| MDW | Chicago Midway | Main Terminal (Concourses A, B, C) | A1–A18, B1–B22, C1–C10 |
| MIA | Miami | Central Terminal (Concourses E & F) | E1–E12, F1–F15 |
| MSP | Minneapolis | Terminal 1 — Lindbergh | C1–C25, D1–D12, E1–E18, F1–F17, G1–G25 |
| ORD | Chicago O'Hare | Terminal 2 (Concourses E & F) | E1–E18, F1–F20 |
| PDX | Portland | Concourse B | B1–B8 |
| PHL | Philadelphia | Terminal D | D1–D16 |
| PHX | Phoenix | Terminal 4 — South | S1–S12 |
| SAN | San Diego | Terminal 2 (East & West) | Gates 30–55 |
| SEA | Seattle | Concourse B, North Satellite (N Gates) | B1–B15, N1–N20 |
| SLC | Salt Lake City | Concourse A | A1–A46 |
| TPA | Tampa | Airside A | A1–A15 |
Delta Baggage Policy & Fees
Here's what Delta Air Lines charges for baggage. Fees may vary by route, fare class, and elite status. Always confirm on Delta Air Lines's website ↗.
Baggage Policy
Delta Check-In Tips
Check-in opens 24 hours before departure via delta.com or the Fly Delta app. The app supports digital boarding passes and real-time flight tracking. Bag drop counters typically close 45 minutes before domestic departures and 60 minutes before international.
SkyMiles — Delta's Frequent Flyer Program
Delta SkyMiles is one of the largest frequent flyer programs. Earn miles on flights, Delta credit cards (Amex partnership), and partners. Medallion tiers: Silver, Gold, Platinum, Diamond. Benefits include complimentary upgrades, Sky Club access (at Diamond), priority boarding, and bonus earning.
Frequently Asked Questions
What terminals does Delta Air Lines use?
Delta operates from its hub terminals: at ATL, Concourses A, B, C, and the International Terminal; at JFK, Terminals 2 and 4; at LAX, Terminals 2 and 3; at SEA, Concourses A, B, and the South Satellite; at DTW, the McNamara Terminal. Check each airport's page for exact locations.
Does Delta charge for seat selection?
Main Cabin and above passengers can select seats for free at booking. Basic Economy fares receive seat assignments at check-in, though you can pay to choose a seat earlier. SkyMiles Medallion members can select seats for free on all fare classes.
What is Delta's cancellation policy?
Delta eliminated change fees for Main Cabin and above in 2020. Non-refundable tickets can be changed without a fee — you just pay any fare difference. Basic Economy tickets are non-changeable and non-refundable except within 24 hours of booking.
What alliance is Delta in?
Delta is a founding member of SkyTeam, whose partners include Air France-KLM, Korean Air, Aeromexico, and others. SkyTeam membership means reciprocal elite benefits, lounge access, and mileage earning across all member airlines.