Flights Seattle → Billings
SEA → BIL
Route overview
This flight route operates between Seattle and Billings, utilizing the De Havilland Canada DHC-8-400 Dash 8Q aircraft. With a high on-time performance rate of 91%, flights typically experience minimal delays averaging just 1.5 minutes, making it a reliable choice for travelers.
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) → Billings (BIL) route is operated by Alaska Airlines. Across 229 flights monitored in recent months, 91% arrived on time (within 15 min of schedule), with an average delay of 2 minutes. The cancellation rate is 2.18%. FlightGuard's average computed risk is 13.3/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Billings the average ATFM delay is 1.7 minutes (main cause: airspace/NAS (BTS)). Departing from Seattle the average ATFM delay is 2.0 minutes.
Heading to Billings: what to expect in this direction
Flying from Seattle (SEA) to Billings (BIL) heads east for about 1,066 km, a flight time of roughly 1h 45m.
Departures from Seattle on this leg cluster in the midday window: about 52% of SEA-BIL flights take off then.
Air-traffic congestion: departing Seattle the average ATFM delay is 2.0 min (atfm); arriving into Billings it is 1.7 min (airspace/NAS (BTS)).
Across 229 tracked SEA-BIL flights, 91% left on time with an average delay of 2 min and a 2.2% 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-BIL
Airports
Frequently asked questions about SEA-BIL
On the Seattle (SEA) -> Billings (BIL) route, on-time performance is 91% with an average delay of 2 minutes, based on 229 tracked flights.
The cancellation rate on Seattle-Billings is 2.18% across 229 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 Billings, 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.
