United Airlines IAD to EWR on-time performance
United Airlines nonstop flights from Washington to Newark · Aug 2025 – Jul 2026
On-time arrivals
76%
arrived < 15 min late
Cancelled
2.5%
37 flights
Avg arrival delay
24 min
95 min when late
Rank on route
#2 of 2
route average 76% on time
Key facts
- United Airlines flights on IAD to EWR arrived on time 76% of the time in Aug 2025 – Jul 2026.
- 2.5% were cancelled, and 8% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (46%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion46%
- Late-arriving aircraft25%
- Airline (crew, maintenance, cleaning, fueling)15%
- Extreme weather14%
- Security0%
Other airlines on IAD to EWR
- Republic Airways82% on time · 13 min avg delay
Full IAD to EWR comparison →
United Airlines on-time record across all routes →
1,507 United Airlines flights tracked on this route; 37 cancelled, 1 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.