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Delta Air Lines Overview & Policy Summary
Delta Air Lines is a founding SkyTeam member and consistently the highest-ranked US legacy carrier for on-time performance and completion factor. Its Atlanta hub is the busiest airport in the world by passenger volume, and Delta operates a genuine hub-and-spoke network that makes one-stop itineraries available from most mid-size US cities to Europe, Latin America and Asia.
Key Travel Facts & Insights
- Carry-on: One full-size carry-on bag included on every Delta fare including Basic Economy.
- First checked bag: $35 on standard domestic Main Cabin and Basic Economy tickets..
- Changes: No change fee on Main Cabin and above for travel originating in the US, Canada, Caribbean, Mexico and most of Latin America.
- Check-in: 24 hours before scheduled departure, via delta.com or the Fly Delta app..
Delta help topics
Detailed answers on the ten things travellers ask most after booking.
Delta at a glance
Baggage
One full-size carry-on bag included on every Delta fare including Basic Economy. Delta is one of the few US carriers that has never stripped the cabin bag out of its cheapest fare.
Full baggage rulesChanges
No change fee on Main Cabin and above for travel originating in the US, Canada, Caribbean, Mexico and most of Latin America. You still pay any fare difference. Basic Economy cannot be changed at all after the 24-hour window.
How to change a flightCheck-in
24 hours before scheduled departure, via delta.com or the Fly Delta app. 30 minutes before departure for most domestic airports; 45 minutes at a handful of larger stations.
Check-in and boarding cutoffsSkyMiles
SkyMiles do not expire. This is unusual among US programs and worth knowing before you rush a redemption.
Loyalty programme guideDelta fare types
| Fare | Includes | Watch out for |
|---|---|---|
| Basic Economy | Full carry-on and personal item, standard Main Cabin seat assigned at check-in. | No advance seat selection, no changes or refunds beyond the 24-hour window, and boards last. |
| Main Cabin | Advance seat selection, changes without a fee, and full SkyMiles earning. | Fare difference still applies when you change; the ticket itself stays non-refundable. |
| Delta Comfort+ | Up to 3 inches more legroom, dedicated overhead space and earlier boarding. | Not a separate cabin — service is Main Cabin with a better seat. |
| Delta One | Lie-flat suite, two checked bags, lounge access and chef-designed dining on long-haul routes. | Available only on widebody and select transcontinental aircraft. |
Hubs
- Atlanta (ATL)
- Detroit (DTW)
- Minneapolis (MSP)
- Salt Lake City (SLC)
- New York (JFK/LGA)
- Seattle (SEA)
- Los Angeles (LAX)
- Boston (BOS)
One of the largest fleets in the world, built around the Airbus A320/A330/A350 families and Boeing 737 and 757 aircraft.
Popular routes
- New York (JFK) → London (LHR)
- Atlanta (ATL) → Los Angeles (LAX)
- Detroit (DTW) → Amsterdam (AMS)
- Salt Lake City (SLC) → Seattle (SEA)
Delta frequently asked questions
Does Delta Basic Economy include a carry-on bag?
Yes. Delta includes one full-size carry-on plus one personal item on Basic Economy, unlike United and the ultra-low-cost carriers. What Basic Economy removes is advance seat selection, changes and refunds — not your cabin bag.
Do Delta SkyMiles expire?
No. SkyMiles have no expiration date regardless of account activity, so there is no need to make a rushed redemption to keep a balance alive.
Can I change a Delta flight without a fee?
Yes on Main Cabin and above for travel originating in the US, Canada, the Caribbean, Mexico and most of Latin America — you pay only the fare difference. Basic Economy cannot be changed after the first 24 hours.
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