Flights Seattle → Baltimore
SEA → BWI
Route overview
The flight route from Seattle to Baltimore has an on-time performance rate of 87%, with flights typically experiencing a mean delay of 7.1 minutes. The destination airport, which opened in 1947, serves approximately 22,804,744 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) → Baltimore (BWI) route is operated by Southwest Airlines. Across 121 flights monitored in recent months, 83% arrived on time (within 15 min of schedule), with an average delay of 10 minutes. The cancellation rate is 7.44%. FlightGuard's average computed risk is 19.3/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Baltimore the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Seattle the average ATFM delay is 2.0 minutes.
Heading to Baltimore: what to expect in this direction
Flying from Seattle (SEA) to Baltimore (BWI) heads east for about 3,748 km, a flight time of roughly 5h 6m.
Departures from Seattle on this leg cluster in the overnight window: about 93% of SEA-BWI flights take off then.
Air-traffic congestion: departing Seattle the average ATFM delay is 2.0 min (atfm); arriving into Baltimore it is 2.0 min (atfm).
Across 121 tracked SEA-BWI flights, 83% left on time with an average delay of 10 min and a 7.4% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
Airlines operating SEA-BWI
Airports
Frequently asked questions about SEA-BWI
On the Seattle (SEA) -> Baltimore (BWI) route, on-time performance is 83% with an average delay of 10 minutes, based on 121 tracked flights.
The cancellation rate on Seattle-Baltimore is 7.44% across 121 monitored flights.
The route is operated by 1 airline: Southwest Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Baltimore, 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.
