Direct flights from Kansas City (MCI) to Seattle (SEA): 15 nonstop departures observed each week across 3 airlines. 100% of the last 5 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 5 tracked flights. The nonstop covers 2,392 km, an estimated 3 hours 34 minutes in the air. Measured by Pro Flight Search from live flight boards at Kansas City and Seattle. Updated 23 October 2026 at 10:22 UTC.
Today, MCI → SEA
Fri 23 Oct · local times- · AS418Alaska On schedule SEA 17:20scheduled
- · AS563Alaska On schedule SEA est. 08:00sched 08:20
- · DL2105Delta Air Lines On schedule SEA 09:04scheduled
- · WN5097Southwest On schedule SEA est. 08:26sched 09:05
Checked MCI board 05:03 · SEA board 03:22
of the last 5 operated MCI → SEA flights arrived within 15 minutes
Median arrival delay is +0 min. 0 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
The week
scheduled departures · origin local timeEach mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysFlights DL2105 07:00 daily
Flights WN1987 13:55 Sa
History
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at MCI: 41% odds of a 15+ minute delay and around +10 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Kansas City to Seattle route actually runs
Pro Flight Search records official board updates for nonstop MCI to SEA flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — Kansas City (MCI) to Seattle (SEA) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/MCI-SEA
MCI to SEA questions
Is MCI–SEA running on time right now?
Significant delay risk. The departure side at MCI is the weaker end, route health score 50/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on MCI–SEA?
Operators schedule morning departures around 06:17 from MCI. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SEA delay card to confirm conditions when you'd arrive.
How long is the flight from MCI to SEA?
Great-circle distance is 2,392 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 199–235 min gate-to-gate on this route.
How often does MCI–SEA fly?
3 carriers operate this route, around 22 flights a week between them. Compare carrier days and times in the airline list above.