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Flights Billings → Seattle

BIL → SEA

15.5
Average risk (Medium)
93%
On-time
-0 min
Average delay
1.2%
Cancellations
1
Airlines

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 Billings (BIL) → Seattle (SEA) route is operated by Alaska Airlines. Across 243 flights monitored in recent months, 93% arrived on time (within 15 min of schedule), with an average delay of -0 minutes. The cancellation rate is 1.23%. FlightGuard's average computed risk is 15.5/100 (medium), 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 Billings the average ATFM delay is 1.7 minutes.

Heading to Seattle: what to expect in this direction

Flying from Billings (BIL) to Seattle (SEA) heads west for about 1,066 km, a flight time of roughly 1h 45m.

Departures from Billings on this leg cluster in the overnight window: about 49% of BIL-SEA flights take off then.

Air-traffic congestion: departing Billings the average ATFM delay is 1.7 min (airspace/NAS (BTS)); arriving into Seattle it is 2.0 min (atfm).

Across 243 tracked BIL-SEA flights, 93% left on time with an average delay of -0 min and a 1.2% cancellation rate.

Route facts

Time difference
1h behind
Arrival (dest. local time)
06:45
Elevation SEA
433 ft
Typical aircraft
De Havilland Canada DHC-8-400 Dash 8Q
Est. CO₂/passenger
~139 kg

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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 BIL-SEA

Frequently asked questions about BIL-SEA

On the Billings (BIL) -> Seattle (SEA) route, on-time performance is 93% with an average delay of -0 minutes, based on 243 tracked flights.

The cancellation rate on Billings-Seattle is 1.23% across 243 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.