IAD → EWR: cancellations & delays
Over Jan 2023 - Apr 2026, 2.7% of Washington Dulles International Airport (IAD) to Newark Liberty International Airport (EWR) flights were cancelled and 26.9% arrived at least 15 minutes late, across 5,244 flights, flown by UA, YX. Cancellations peak in July.
Check today's live IAD departures →Airport pages: Washington Dulles International Airport (IAD) · Newark Liberty International Airport (EWR)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.