UA4499 EWR → DCA

United Airlines · Newark, NJ to Washington, DC · 289 flights observed, 2025-07-01 to 2026-05-20 · 199 mi

This flight's reliability varies a lot by day of week — 95% on-time on Saturdays vs. 55% on Fridays.

UA4499 covers more than one route in the data window — the stats below are for EWR → DCA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
66%
Median delay
0 min
90th percentile
+123 min
Cancellation rate
6%

How often is UA4499 on time?

Across 289 flights on EWR → DCA from 2025-07-01 to 2026-05-20, UA4499 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +123 min or later. 6% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time17966%
16-30 min3011%
31-60 min176%
61-120 min176%
2+ hrs2810%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072774%+46 min
2025-082893%+4 min
2025-093080%+9 min
2025-103077%+16 min
2025-111822%+90 min
2025-121932%+57 min
2026-012264%+11 min
2026-022162%+25 min
2026-032669%+54 min
2026-043053%+29 min
2026-052075%+5 min

Performance by day of week

DayFlightsOn-time
Mon4173%
Tue4370%
Wed4461%
Thu4060%
Fri4255%
Sat2195%
Sun4063%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…