Flights Salt Lake City → Seattle
SLC → SEA
Route overview
The flight route from Salt Lake City to Seattle operates with a high level of punctuality, with 89% of flights arriving on time. The average delay for delayed flights is only 4.3 minutes, and the route sees nearly ninety-five hundred total flights annually. Various aircraft models serve this busy corridor, including Boeing 737 variants and Airbus A320s, catering to a destination airport that handles over fifty-two million 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 Salt Lake City (SLC) → Seattle (SEA) route is operated by Alaska Airlines, Delta Air Lines, Southwest Airlines. Across 1238 flights monitored in recent months, 87% arrived on time (within 15 min of schedule), with an average delay of 7 minutes. The cancellation rate is 2.18%. FlightGuard's average computed risk is 18/100 (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 Salt Lake City the average ATFM delay is 2.0 minutes.
Heading to Seattle: what to expect in this direction
Flying from Salt Lake City (SLC) to Seattle (SEA) heads north-west for about 1,107 km, a flight time of roughly 1h 48m.
Departures from Salt Lake City on this leg cluster in the overnight window: about 45% of SLC-SEA flights take off then.
Air-traffic congestion: departing Salt Lake City the average ATFM delay is 2.0 min (atfm); arriving into Seattle it is 2.0 min (atfm).
Across 1,238 tracked SLC-SEA flights, 87% left on time with an average delay of 7 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 |
|---|---|---|---|
| Delta Air Lines (DL) | 80% | 8 min | 1.8% |
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
| Alaska Airlines (AS) | 67% | 10 min | 11.9% |
Airlines operating SLC-SEA
Airports
Frequently asked questions about SLC-SEA
On the Salt Lake City (SLC) -> Seattle (SEA) route, on-time performance is 87% with an average delay of 7 minutes, based on 1238 tracked flights.
The cancellation rate on Salt Lake City-Seattle is 2.18% across 1238 monitored flights.
The route is operated by 3 airlines: Alaska Airlines, Delta Air Lines, Southwest 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.
