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 March 2026.MSY → IAD
MSY (New Orleans) to IAD (Washington)
MSY → IAD on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
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 ~24 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 ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what United Airlines owes you — refund rights, action plan, complaint email. Free.
Free flight briefing
Know before you go
Flying MSY → IAD? We'll brief you before takeoff.
Delay riskDOT stats + live data
TSA waitCurrent checkpoint lines
WeatherBoth airports
Gate & terminalLive updates
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated March 2026. Source: Bureau of Transportation Statistics.