ON TIMEBOARD

UA 4457 on time

United Airlines 4457: Newark to Washington at 8:20 p.m. (past 12 months)

On time
39%
221 flights · likely 33–46%
Cancelled
11.3%
of scheduled flights
Typical arrival
+21 min
median vs schedule
When late
+85 min
average delay
Similar flights
46%
UA, same route & hour

About 6 in 10 UA 4457 flights from Newark arrived 15+ minutes late, diverted or cancelled over the past year (61%); 11.3% were cancelled. The typical flight landed 21 minutes late.

UA 4457: EWR → DCA

Scheduled to leave Newark at 8:20 p.m. local time, operated by GoJet as G7 4457. Over the past year it arrived on time 39% of the time (221 flights), worse than other UA flights on the route at that hour (46%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Newark to Washington (100% of days). United Airlines's last EWR–DCA flight was cancelled 9.1% of the time, against 5.2% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 6:30 a.m. the next morning.

Month by month

10%55%100%Mar 2025: too few flights (7 flights)MarApr 2025: 37% on time (30 flights)37AprOct 2025: too few flights (6 flights)OctNov 2025: 24% on time (29 flights)24NovDec 2025: 39% on time (23 flights)39DecJan 2026: 31% on time (29 flights)31JanFeb 2026: too few flights (11 flights)FebApr 2026: too few flights (1 flights)AprMay 2026: 45% on time (31 flights)45MayJun 2026: 53% on time (30 flights)53JunJul 2026: 47% on time (30 flights)47JulAug 2026: 35% on time (31 flights)35Aug

By day of week

DayFlightsOn time
Monday3333%
Tuesday3247%
Wednesday3132%
Thursday3033%
Friday3129%
Saturday3165%
Sunday3336%

Why it was late

Late inbound plane 50%Air traffic & airport (NAS) 26%Airline (crew, maintenance, ops) 16%Severe weather 8%

All flights EWR → DCA · Connecting off UA 4457? Check the risk

Questions

How often is UA 4457 from EWR to DCA late?

United Airlines 4457 from Newark, NJ to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 61% of 221 scheduled flights between September 2025 and August 2026. 11.3% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.