Flights Seattle → Atlanta
SEA → ATL
How long is the flight from Seattle to Atlanta?
The flight from Seattle (SEA) to Atlanta (ATL) takes 4h 12m on average. That is the median time recorded across 8 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Seattle to Atlanta operates with an average on-time performance rate of 81%, with flights typically experiencing a mean delay of 9.9 minutes. Over the course of a year, this route sees approximately 673 total flights using various Boeing aircraft models including the 737-900, 757, and 767-300, serving a destination airport that handles nearly 108 million passengers annually.
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 Seattle (SEA) → Atlanta (ATL) route is operated by Air France, Alaska Airlines, ITA Airways, Delta Air Lines, KLM Royal Dutch Airlines. Across 1987 flights monitored in recent months, 81% arrived on time (within 15 min of schedule), with an average delay of 13 minutes. The cancellation rate is 1.21%. FlightGuard's average computed risk is 19.7/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Atlanta the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Seattle the average ATFM delay is 5.5 minutes.
Heading to Atlanta: what to expect in this direction
Flying from Seattle (SEA) to Atlanta (ATL) heads east for about 3,505 km, a flight time of roughly 4h 12m.
Departures from Seattle on this leg cluster in the overnight window: about 46% of SEA-ATL flights take off then.
Air-traffic congestion: departing Seattle the average ATFM delay is 5.5 min (atfm); arriving into Atlanta it is 5.5 min (atfm).
Across 1,987 tracked SEA-ATL flights, 81% left on time with an average delay of 13 min and a 1.2% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Delta Air Lines (DL) | 85% | 1 min | 0.8% |
| Alaska Airlines (AS) | 85% | -1 min | 0.5% |
| Air France (AF) | 82% | 28 min | 0.0% |
| KLM Royal Dutch Airlines (KL) | 82% | 19 min | 5.9% |
| ITA Airways (AZ) | 45% | 39 min | 0.6% |
Airlines operating SEA-ATL
Airports
Frequently asked questions about SEA-ATL
The flight from Seattle (SEA) to Atlanta (ATL) takes 4h 12m on average. That is the median time recorded across 8 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Seattle (SEA) -> Atlanta (ATL) route, on-time performance is 81% with an average delay of 13 minutes, based on 1987 tracked flights.
The cancellation rate on Seattle-Atlanta is 1.21% across 1987 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 Atlanta, 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.
