ON TIMEBOARD

UA 4503 on time

United Airlines 4503: Richmond to Washington at 6:30 a.m. (past 12 months)

On time
86%
363 flights · likely 82–89%
Cancelled
1.1%
of scheduled flights
Typical arrival
−15 min
median vs schedule
When late
+110 min
average delay
Similar flights
86%
UA, same route & hour

About 1 in 7 UA 4503 flights from Richmond arrived 15+ minutes late, diverted or cancelled over the past year (14%); 1.1% were cancelled. The typical flight landed 15 minutes early.

UA 4503: RIC → IAD

Scheduled to leave Richmond at 6:30 a.m. local time, operated by GoJet as G7 4503. Over the past year it arrived on time 86% of the time (363 flights), in line with other UA flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 97% on time (31 flights)97OctNov 2025: 87% on time (30 flights)87NovDec 2025: 61% on time (31 flights)61DecJan 2026: 77% on time (30 flights)77JanFeb 2026: 74% on time (27 flights)74FebMar 2026: 81% on time (31 flights)81MarApr 2026: 93% on time (30 flights)93AprMay 2026: 90% on time (31 flights)90MayJun 2026: 97% on time (30 flights)97JunJul 2026: 94% on time (31 flights)94JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday5379%
Tuesday5190%
Wednesday5184%
Thursday5287%
Friday5285%
Saturday5281%
Sunday5296%

Why it was late

Airline (crew, maintenance, ops) 46%Late inbound plane 41%Air traffic & airport (NAS) 8%Severe weather 5%

All flights RIC → IAD · Connecting off UA 4503? Check the risk

Questions

How often is UA 4503 from RIC to IAD late?

United Airlines 4503 from Richmond, VA to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 14% of 363 scheduled flights between September 2025 and August 2026. 1.1% 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.