Flights Seattle → Bellingham
SEA → BLI
Route overview
The flight route from Seattle to Bellingham operates with a high level of punctuality, boasting a 90% on-time performance rate and an average delay of just 3.3 minutes per flight. The route sees approximately 261 flights annually, each carried out by the De Havilland Canada DHC-8-400 Dash 8Q aircraft, serving Bellingham International Airport, which has been in operation since 1940 and currently handles around 633,386 passengers per year.
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) → Bellingham (BLI) route is operated by Alaska Airlines. Across 323 flights monitored in recent months, 90% arrived on time (within 15 min of schedule), with an average delay of 4 minutes. The cancellation rate is 1.24%. FlightGuard's average computed risk is 17.2/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Bellingham the average ATFM delay is 0.8 minutes (main cause: airspace/NAS (BTS)). Departing from Seattle the average ATFM delay is 2.0 minutes.
Heading to Bellingham: what to expect in this direction
Flying from Seattle (SEA) to Bellingham (BLI) heads north for about 150 km, a flight time of roughly 36m.
Departures from Seattle on this leg cluster in the midday window: about 40% of SEA-BLI flights take off then.
Air-traffic congestion: departing Seattle the average ATFM delay is 2.0 min (atfm); arriving into Bellingham it is 0.8 min (airspace/NAS (BTS)).
Across 323 tracked SEA-BLI flights, 90% left on time with an average delay of 4 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 SEA-BLI
Airports
Frequently asked questions about SEA-BLI
On the Seattle (SEA) -> Bellingham (BLI) route, on-time performance is 90% with an average delay of 4 minutes, based on 323 tracked flights.
The cancellation rate on Seattle-Bellingham is 1.24% across 323 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 Bellingham, 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.
