Flights Atlanta → Seattle
ATL → SEA
Route overview
The flight route from Atlanta to Seattle operates with a high level of punctuality, with 85% of flights arriving on time. Over the course of a year, an average delay of 9.2 minutes is observed across the 677 total flights, which use various Boeing aircraft models including the 757, 767-300, 737-900, and 737-800. The destination airport serves over 52 million passengers annually, highlighting its significance as a major travel hub.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Atlanta (ATL) → Seattle (SEA) route is operated by Air France, Alaska Airlines, ITA Airways, Delta Air Lines, KLM Royal Dutch Airlines. Across 910 flights monitored in recent months, 84% arrived on time (within 15 min of schedule), with an average delay of 10 minutes. The cancellation rate is 2.20%. FlightGuard's average computed risk is 26.8/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Seattle the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Atlanta the average ATFM delay is 2.0 minutes.
Heading to Seattle: what to expect in this direction
Flying from Atlanta (ATL) to Seattle (SEA) heads north-west for about 3,505 km, a flight time of roughly 4h 48m.
Departures from Atlanta on this leg cluster in the overnight window: about 40% of ATL-SEA flights take off then.
Air-traffic congestion: departing Atlanta the average ATFM delay is 2.0 min (atfm); arriving into Seattle it is 2.0 min (atfm).
Across 910 tracked ATL-SEA flights, 84% left on time with an average delay of 10 min and a 2.2% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| KLM Royal Dutch Airlines (KL) | 84% | 20 min | 0.0% |
| Air France (AF) | 82% | 18 min | 3.3% |
| Delta Air Lines (DL) | 80% | 8 min | 1.8% |
| Alaska Airlines (AS) | 67% | 10 min | 11.9% |
| ITA Airways (AZ) | 59% | 35 min | 4.9% |
Airlines operating ATL-SEA
Airports
Frequently asked questions about ATL-SEA
On the Atlanta (ATL) -> Seattle (SEA) route, on-time performance is 84% with an average delay of 10 minutes, based on 910 tracked flights.
The cancellation rate on Atlanta-Seattle is 2.20% across 910 monitored flights.
The route is operated by 5 airlines: Air France, Alaska Airlines, ITA Airways, Delta Air Lines, KLM Royal Dutch Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Seattle, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
