IAD (Washington) to EWR (Newark) flights arrive on time 74% of the time. The most reliable airline on this route is Republic Airways at 76%. The average delay is 89 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated October 2026.IAD → EWR
IAD (Washington) to EWR (Newark)
IAD → EWR on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 74% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
Accurate?
Airlines are roughly equal on this route — Republic Airways leads slightly at 76% vs United Airlines at 74%.
Airline Comparison
Republic Airways leads at 76% on time; United Airlines trails at 74%.
Accurate?
Good to know
Departing from IAD
82% on timeExpect ~20 min sitting on the taxiway after your gate pushes back. IAD has long runway queues.
TSA is currently ~8 min. Best time: 4 AM (about 5 min).
Arriving at EWR
78% on timeWhen flights into EWR are late, the average delay is 79 minutes. Build buffer if you have ground plans.
If connecting at EWR: TSA is ~36 min right now. Allow at least 60 minutes for a domestic connection.
EWR has a 2.8% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what Republic Airways owes you — refund rights, action plan, complaint email. Free.
Flying out of IAD? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated October 2026. Source: Bureau of Transportation Statistics.