Delta Air Lines and American Airlines dominate US transatlantic travel with extensive joint ventures. Delta operates 900+ aircraft with hubs in JFK, ATL, and DTW, partnering with Air France-KLM-Virgin Atlantic. American operates 950+ aircraft with hubs in DFW, CLT, and PHL, partnering with British Airways-Iberia-Finnair. Both offer lie-flat business class on widebodies, but loyalty structures and fee policies differ significantly for 2026 travelers.
Quick Comparison
| Category | Airline A | Airline B |
|---|---|---|
| Free checked bag | 1x23kg on Main Cabin transatlantic | 1x23kg on Main Cabin transatlantic |
| Basic Economy bag | €70-€100 per bag | €70-€100 per bag |
| Seat pitch Economy | 31-32 inches standard | 31-32 inches standard |
| Premium Economy | Delta Premium Select 38in | Premium Economy 38in |
| Change fee Main Cabin | €0 plus fare difference | €0 plus fare difference |
| Change fee Basic Economy | Non-changeable | Non-changeable |
| Loyalty program | SkyMiles (revenue-based) | AAdvantage (Loyalty Points) |
| Alliance | SkyTeam | Oneworld |
Class Comparison
Economy
Seat pitch: Delta 31-32in, American 31-32in, Width: Both 17-18 inches depending on aircraft
Meal service: Free hot meal and snacks on transatlantic
Entertainment: Seatback screens on all widebody aircraft
Premium Economy
Seat pitch: Delta 38in, American 38in, Width: Both 19 inches with leg rests
Meal service: Enhanced meal service with free alcohol
Entertainment: Larger screens and noise-canceling headphones
Business
Seat pitch: Delta One 6ft bed, American Flagship 6ft bed, Width: Delta 20-22in, American 20-21in
Meal service: Multi-course dining with pre-flight drinks
Entertainment: 15-18inch screens with premium content
Choose Airline A If…
- You value consistent on-time performance and service reliability
- You connect through Paris CDG or Amsterdam AMS via partners
- You prefer SkyTeam alliance benefits and lounge access
- You fly frequently from JFK, Boston, or Atlanta hubs
Choose Airline B If…
- You need extensive domestic US connections beyond Europe
- You connect through London Heathrow via British Airways
- You prefer Oneworld alliance benefits and status recognition
- You fly frequently from Dallas, Charlotte, or Philadelphia hubs
Verdict by Traveller Type
Budget traveler
Winner: American Airlines
Often has slightly lower Basic Economy fares on secondary routes. More domestic connection options allow cheaper multi-city itineraries. Baggage fees identical but route flexibility saves money.
Business traveler
Winner: Delta Air Lines
Delta One suites offer superior privacy on A350 aircraft. SkyPriority security lanes are more consistent. Better app functionality for managing last-minute changes and upgrades.
Family with kids
Winner: Delta Air Lines
More predictable boarding processes and family seating policies. Free entertainment on seatbacks reduces need for tablets. Main Cabin includes bags free reducing overall trip cost.
Frequently Asked Questions
Which is cheaper Delta or American Airlines?
Base fares vary significantly by season and route demand. Basic Economy starts at €350-€500 return, while Main Cabin ranges from €500-€900 return. Delta often includes amenity kits on long-haul flights whereas American charges for some premium amenities. American has more US domestic connections beyond hubs. Book 3-5 months out for best prices on both carriers during peak summer season.
Is Delta or American better for baggage?
Transatlantic Main Cabin includes one 23kg checked bag free on both airlines. Basic Economy charges €70-€100 per bag each way. Overweight fees range from €100-€200 for bags over 23kg. Delta allows SkyPriority tagging for elites while American allows same for Oneworld elites. Pre-pay baggage online saves €10-€20 compared to airport rates. Always verify allowance before arriving at the counter.
How do SkyMiles and AAdvantage compare?
Delta SkyMiles earns based on ticket price spent rather than distance flown. American AAdvantage uses Loyalty Points based primarily on spend and segments. Delta Medallion status requires MQD spending thresholds to achieve. American requires Loyalty Points threshold which is mostly spend-based now. Both statuses expire annually without requalification. Redeem miles for upgrades or partner flights within alliances. Delta partners include Virgin Atlantic. American partners include British Airways for extensive coverage.
Which airline has more comfortable seats?
Delta Main Cabin offers 31-32 inches pitch on widebody aircraft. American Main Cabin offers 31-32 inches pitch on similar fleets. Delta Premium Select provides 38 inches pitch with extra recline. American Premium Economy provides 38 inches pitch with leg rests. Delta One suites available on A350 and 767-400 aircraft. American Flagship Business on 777-300ER offers direct aisle access. Both offer lie-flat business class on widebodies. Exit rows cost extra €50-€150 depending on route demand.
Can I change or cancel Delta or American flights?
Main Cabin transatlantic tickets waive change fees on both airlines completely. You pay fare difference only if the new flight costs more. Basic Economy is non-changeable and non-refundable under almost all circumstances. Cancelled flights get eCredit valid for 1 year from issue date. Delta eCredits are tied to original traveler name strictly. American eCredits are tied to original traveler. Refundable fares cost 2x more but allow cash refunds to original payment method without restrictions.
Which alliance is better SkyTeam or Oneworld?
Delta is SkyTeam member with Air France, KLM, Virgin Atlantic partners. American is Oneworld member with British Airways, Iberia, Finnair partners. SkyTeam offers lounges via Air France and KLM hubs in Paris and Amsterdam. Oneworld offers lounges via London Heathrow BA lounges primarily. Earn miles on partners easily. Status recognized across alliance members globally. Choose based on where you connect internationally beyond Europe or which alliance benefits your specific frequent travel patterns and credit card partnerships.
Data updated: 2026-03
