Alaska AirlinesAS100% on time
live
Direct flights from Seattle (SEA) to Cleveland (CLE): 7 nonstop departures observed each week across 1 airline. 100% of the last 9 operated flights arrived within 15 minutes of schedule. The median arrival is 18 minutes early. No cancellations were recorded across the 9 tracked flights. The nonstop covers 3,244 km, an estimated 4 hours 40 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and Cleveland. Updated 21 August 2026 at 11:38 UTC.
SEA
Seattle
smooth · +8
CLE
Cleveland
smooth · +0
3,244 km · ~4h 40m est.
Runs reliable · 1 airline · 7x weekly · nonstop
100% on time
of the last 9 operated SEA → CLE flights arrived within 15 minutes
Median arrival delay is −18 min. 0 of 9 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Search live fares for this route →Median arrival−18 minacross the last 9 operated legs
Flight time~4h 40mestimated from route distance
Weekly departures7x1 direct airline on the leg
Current nonstop fares
SEA → CLE · one way · economy · 1 adult
TodayChecking…Direct airline fares
TomorrowChecking…Direct airline fares
In one weekChecking…Direct airline fares
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska 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
Current conditions put the pressure at CLE: 41% odds of a 15+ minute delay and around +8 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 Seattle to Cleveland route actually runs
Pro Flight Search tracks every published board update for nonstop SEA to CLE flights: 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. Fares link straight to the operating airline with no markups.
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 Cleveland (CLE) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SEA-CLE
SEA to CLE questions
Is SEA–CLE running on time right now?
Smooth skies ahead. The departure side at SEA is the weaker end, route health score 94/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SEA–CLE?
Operators schedule morning departures around 09:10 and evening departures around 22:13 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CLE delay card to confirm conditions when you'd arrive.
How long is the flight from SEA to CLE?
Great-circle distance is 3,244 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 259–308 min gate-to-gate on this route.
How often does SEA–CLE fly?
Alaska Airlines runs the route with about 14 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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