IAD (Washington) to EWR (Newark) flights arrive on time 69% of the time. The most reliable airline on this route is Republic Airways at 77%. The average delay is 90 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated March 2026.IAD → EWR
IAD (Washington) to EWR (Newark)
IAD → EWR on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is delayed fairly often. About 69% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
Accurate?
Republic Airways edges out United Airlines on this route — 77% vs 69% on time.
Airline Comparison
Republic Airways leads at 77% on time; United Airlines trails at 69%.
Accurate?
Good to know
Departing from IAD
83% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. IAD has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at EWR
77% on timeWhen flights into EWR are late, the average delay is 77 minutes. Build buffer if you have ground plans.
If connecting at EWR: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
EWR has a 3.1% 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.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.