MKE (Milwaukee) to SEA (Seattle) flights arrive on time 85% of the time. The most reliable airline on this route is Alaska Airlines at 86%. The average delay is 37 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated May 2026.MKE → SEA
MKE (Milwaukee) to SEA (Seattle)
MKE → SEA on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is usually on time. About 85% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
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Good to know
Departing from MKE
81% on timeExpect ~16 min sitting on the taxiway after your gate pushes back. MKE has long runway queues.
TSA is currently ~13 min. Best time: 4 AM (about 5 min).
Arriving at SEA
82% 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 ~15 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.