SEA (Seattle) to CLE (Cleveland) flights arrive on time 78% of the time. The most reliable airline on this route is Alaska Airlines at 79%. The average delay is 44 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated October 2026.SEA → CLE
SEA (Seattle) to CLE (Cleveland)
SEA → CLE on-time performance by month
This route is on time most of the time. About 78% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Good to know
Departing from SEA
81% on timeExpect ~20 min sitting on the taxiway after your gate pushes back. SEA has long runway queues.
TSA is currently ~15 min. Best time: 4 AM (about 5 min).
Arriving at CLE
80% on timeWhen flights into CLE are late, the average delay is 74 minutes. Build buffer if you have ground plans.
If connecting at CLE: TSA is ~30 min right now. Allow at least 60 minutes for a domestic connection.
Flying out of SEA? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated October 2026. Source: Bureau of Transportation Statistics.