Flights Seattle → Boise
SEA → BOI
Route overview
The flight route from Seattle to Boise operates with an average on-time performance of 87%, with flights typically experiencing a mean delay of only four minutes. Over the course of a year, this route sees approximately 1,265 total flights using the De Havilland Canada DHC-8-400 Dash 8Q aircraft, serving a destination airport that accommodates nearly 4.5 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) → Boise (BOI) route is operated by Alaska Airlines. Across 1669 flights monitored in recent months, 84% arrived on time (within 15 min of schedule), with an average delay of 7 minutes. The cancellation rate is 0.54%. FlightGuard's average computed risk is 18/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Boise the average ATFM delay is 1.9 minutes (main cause: airspace/NAS (BTS)). Departing from Seattle the average ATFM delay is 2.0 minutes.
Heading to Boise: what to expect in this direction
Flying from Seattle (SEA) to Boise (BOI) heads south-east for about 641 km, a flight time of roughly 1h 13m.
Departures from Seattle on this leg cluster in the morning window: about 39% of SEA-BOI flights take off then.
Air-traffic congestion: departing Seattle the average ATFM delay is 2.0 min (atfm); arriving into Boise it is 1.9 min (airspace/NAS (BTS)).
Across 1,669 tracked SEA-BOI flights, 84% left on time with an average delay of 7 min and a 0.5% 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-BOI
Airports
Frequently asked questions about SEA-BOI
On the Seattle (SEA) -> Boise (BOI) route, on-time performance is 84% with an average delay of 7 minutes, based on 1669 tracked flights.
The cancellation rate on Seattle-Boise is 0.54% across 1669 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 Boise, 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.
