MSY (New Orleans) to SEA (Seattle) flights arrive on time 75% of the time. The most reliable airline on this route is Alaska Airlines at 76%. The average delay is 56 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.MSY → SEA
MSY (New Orleans) to SEA (Seattle)
MSY → SEA on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 75% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Accurate?
Good to know
Departing from MSY
79% on timeTSA is currently ~24 min. Best time: 4 AM (about 5 min).
MSY cancels 2.2% of flights — higher than average. Have a backup plan.
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 ~10 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.