IND (Indianapolis) to SEA (Seattle) flights arrive on time 77% of the time. The most reliable airline on this route is Alaska Airlines at 78%. The average delay is 54 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated October 2026.IND → SEA
IND (Indianapolis) to SEA (Seattle)
IND → SEA on-time performance by month
24
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 77% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
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Good to know
Departing from IND
81% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. IND has long runway queues.
TSA is currently ~27 min. Best time: 4 AM (about 5 min).
Arriving at SEA
81% on timeWhen flights into SEA are late, the average delay is 58 minutes. Build buffer if you have ground plans.
If connecting at SEA: TSA is ~27 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.