Alaska AirlinesAS
live
Direct flights from Seattle (SEA) to Kansas City (MCI): 25 nonstop departures observed each week across 3 airlines. The median arrival is 11 minutes early. 2 of the 3 tracked flights were cancelled. 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 Seattle and Kansas City. Updated 15 November 2026 at 12:52 UTC.
Today, SEA → MCI
Sun 15 Nov · local times- 05:30 WN1451SOUTHWEST Est. 05:38 +8Gate B10 MCI 13:30scheduled
- 08:16 AS418ALASKA On scheduleGate C2D MCI 13:56scheduled
- 17:54 DL2256DELTA Sched 17:54Departure not confirmed by the board MCI 23:27scheduled
- 18:30 AS497ALASKA Est. 19:30Departure not confirmed by the board MCI 23:59scheduled
Checked SEA board 04:52 · MCI board 06:17
SEA
Seattle
disrupted · +63
MCI
Kansas City
heavy · +42
2,392 km · ~3h 34m est.
Disrupted · 3 airlines · 25x weekly · nonstop
30 / 100
route health from live SEA and MCI delay boards
Median arrival delay is −11 min. 2 of 3 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−11 minacross the last 1 arrival
Flight time~3h 34mestimated from route distance
Weekly departures25x3 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesDelta Air LinesSouthwest Airlines
Each 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 daysHistory
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
Conditions are tightest at MCI: a 36% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +7 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →
next sweep in 120s
How the Seattle to Kansas City route actually runs
Pro Flight Search records official board updates for nonstop SEA to MCI 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
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search: Seattle (SEA) to Kansas City (MCI) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SEA-MCI
SEA to MCI questions
Is SEA–MCI running on time right now?
High disruption likely. The departure side at SEA is the weaker end, route health score 30/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SEA–MCI?
Operators schedule morning departures around 05:30 and evening departures around 18:30 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the MCI delay card to confirm conditions when you'd arrive.
How long is the flight from SEA to MCI?
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 SEA–MCI fly?
3 carriers operate this route, around 25 flights a week between them. Compare carrier days and times in the airline list above.
.