Flights Kansas City → Seattle
MCI → SEA
How long is the flight from Kansas City to Seattle?
The flight from Kansas City (MCI) to Seattle (SEA) takes 3h 32m on average. That is the median time recorded across 3 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Kansas City to Seattle is served by Boeing 737 aircraft and has a high on-time performance rate of 93%, with an average delay of just 3.8 minutes. Over the past year, this route has seen 220 flights depart from Kansas City International Airport, which opened in 1956, bound for Seattle-Tacoma International Airport, one of the busiest airports in the United States with over 52 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 Kansas City (MCI) → Seattle (SEA) route is operated by American Airlines, Alaska Airlines. Across 688 flights monitored in recent months, 89% arrived on time (within 15 min of schedule), with an average delay of 4 minutes. The cancellation rate is 1.60%. FlightGuard's average computed risk is 15.8/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Seattle the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Kansas City the average ATFM delay is 5.5 minutes.
Heading to Seattle: what to expect in this direction
Flying from Kansas City (MCI) to Seattle (SEA) heads north-west for about 2,391 km, a flight time of roughly 3h 32m.
Departures from Kansas City on this leg cluster in the overnight window: about 51% of MCI-SEA flights take off then.
Air-traffic congestion: departing Kansas City the average ATFM delay is 5.5 min (atfm); arriving into Seattle it is 5.5 min (atfm).
Across 688 tracked MCI-SEA flights, 89% left on time with an average delay of 4 min and a 1.6% 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) | 85% | -1 min | 0.5% |
| American Airlines (AA) | 79% | 6 min | 1.1% |
Airlines operating MCI-SEA
Airports
Frequently asked questions about MCI-SEA
The flight from Kansas City (MCI) to Seattle (SEA) takes 3h 32m on average. That is the median time recorded across 3 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Kansas City (MCI) -> Seattle (SEA) route, on-time performance is 89% with an average delay of 4 minutes, based on 688 tracked flights.
The cancellation rate on Kansas City-Seattle is 1.60% across 688 monitored flights.
The route is operated by 2 airlines: American Airlines, 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.
