UA4181 EWR → DCA

United Airlines · Newark, NJ to Washington, DC · 35 flights observed, 2026-05-21 to 2026-06-24 · 199 mi

This flight's reliability varies a lot by day of week — 100% on-time on Saturdays vs. 40% on Tuesdays.

UA4181 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
65%
Median delay
+9 min
90th percentile
+36 min
Cancellation rate
3%

How often is UA4181 on time?

Across 35 flights on EWR → DCA from 2026-05-21 to 2026-06-24, UA4181 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +36 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2265%
16-30 min515%
31-60 min618%
61-120 min13%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-051164%+6 min
2026-062365%+11 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue540%
Wed580%
Thu560%
Fri475%
Sat5100%
Sun540%

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