MSY (New Orleans) to IAD (Washington) flights arrive on time 90% of the time. The most reliable airline on this route is United Airlines at 90%. The average delay is 71 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated May 2026.MSY → IAD
MSY (New Orleans) to IAD (Washington)
MSY → IAD on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is usually on time. About 90% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Accurate?
Good to know
Departing from MSY
79% on timeTSA is currently ~22 min. Best time: 4 AM (about 5 min).
MSY cancels 2.2% of flights — higher than average. Have a backup plan.
Arriving at IAD
83% on timeWhen flights into IAD are late, the average delay is 74 minutes. Build buffer if you have ground plans.
If connecting at IAD: TSA is ~8 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.