Flights Bellingham → Seattle
BLI → SEA
Route overview
This flight route operates between Bellingham and Seattle, with a high on-time performance rate of 90%. The De Havilland Canada DHC-8-400 Dash 8Q aircraft typically experiences an average delay of just 5.6 minutes per flight out of the total 262 flights recorded.
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 Bellingham (BLI) → Seattle (SEA) route is operated by Alaska Airlines. Across 324 flights monitored in recent months, 88% arrived on time (within 15 min of schedule), with an average delay of 10 minutes. The cancellation rate is 1.23%. FlightGuard's average computed risk is 12/100 (low), 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 Bellingham the average ATFM delay is 0.8 minutes.
Heading to Seattle: what to expect in this direction
Flying from Bellingham (BLI) to Seattle (SEA) heads south for about 150 km, a flight time of roughly 36m.
Departures from Bellingham on this leg cluster in the evening window: about 37% of BLI-SEA flights take off then.
Air-traffic congestion: departing Bellingham the average ATFM delay is 0.8 min (airspace/NAS (BTS)); arriving into Seattle it is 2.0 min (atfm).
Across 324 tracked BLI-SEA flights, 88% left on time with an average delay of 10 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 |
|---|---|---|---|
| Alaska Airlines (AS) | 67% | 10 min | 11.9% |
Airlines operating BLI-SEA
Airports
Frequently asked questions about BLI-SEA
On the Bellingham (BLI) -> Seattle (SEA) route, on-time performance is 88% with an average delay of 10 minutes, based on 324 tracked flights.
The cancellation rate on Bellingham-Seattle is 1.23% across 324 monitored flights.
The route is operated by 1 airline: Alaska 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.
