MSP (Minneapolis) to SEA (Seattle) flights arrive on time 83% of the time. The most reliable airline on this route is Delta Air Lines at 85%. The average delay is 56 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated July 2026.MSP → SEA
MSP (Minneapolis) to SEA (Seattle)
MSP → SEA on-time performance by month
This route is on time most of the time. About 83% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Delta Air Lines edges out Alaska Airlines on this route — 85% vs 80% on time.
Airline Comparison
Delta Air Lines leads at 85% on time; Alaska Airlines trails at 80%.
Good to know
Departing from MSP
81% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. MSP has long runway queues.
TSA is currently ~8 min. Best time: 4 AM (about 5 min).
Arriving at SEA
80% on timeWhen flights into SEA are late, the average delay is 57 minutes. Build buffer if you have ground plans.
If connecting at SEA: TSA is ~12 min right now. Allow at least 60 minutes for a domestic connection.
Flying out of MSP? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
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Send them the link — delay data, TSA waits, weather, all free.
Data last updated July 2026. Source: Bureau of Transportation Statistics.