LGA (New York) to IAD (Washington) flights arrive on time 81% of the time. The most reliable airline on this route is Republic Airways at 79%. The average delay is 74 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated May 2026.LGA → IAD
LGA (New York) to IAD (Washington)
LGA → IAD on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 81% 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 LGA
80% on timeExpect ~21 min sitting on the taxiway after your gate pushes back. LGA has long runway queues.
TSA is currently ~33 min. Best time: 4 AM (about 5 min).
LGA cancels 3.1% 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.
Flight cancelled or delayed?
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Data last updated May 2026. Source: Bureau of Transportation Statistics.