ON TIMEBOARD

UA 6231 on time

United Airlines 6231: Richmond to Houston at 4:52 p.m. (past 12 months)

On time
82%
298 flights · likely 77–86%
Cancelled
0.3%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+93 min
average delay
Similar flights
83%
UA, same route & hour

About 1 in 6 UA 6231 flights from Richmond arrived 15+ minutes late, diverted or cancelled over the past year (18%); 0.3% were cancelled. The typical flight landed 10 minutes early.

UA 6231: RIC → IAH

Scheduled to leave Richmond at 4:52 p.m. local time, operated by Mesa Airlines as YV 6231. Over the past year it arrived on time 82% of the time (298 flights), in line with other UA flights on the route at that hour (83%). Last seen in the data Aug 29, 2026.

Usually United Airlines's last flight of the day from Richmond to Houston (100% of days). United Airlines's last RIC–IAH flight was cancelled 0.3% of the time, against 0.6% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 6:15 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 90% on time (20 flights)90SepOct 2025: too few flights (6 flights)OctNov 2025: 69% on time (29 flights)69NovDec 2025: 90% on time (29 flights)90DecJan 2026: 81% on time (21 flights)81JanFeb 2026: 92% on time (25 flights)92FebMar 2026: 74% on time (31 flights)74MarApr 2026: 83% on time (30 flights)83AprMay 2026: 87% on time (31 flights)87MayJun 2026: 77% on time (30 flights)77JunJul 2026: 83% on time (30 flights)83JulAug 2026: 81% on time (16 flights)81Aug

By day of week

DayFlightsOn time
Monday4676%
Tuesday3990%
Wednesday4486%
Thursday4283%
Friday4486%
Saturday3972%
Sunday4482%

Why it was late

Late inbound plane 54%Airline (crew, maintenance, ops) 23%Air traffic & airport (NAS) 23%

All flights RIC → IAH · Connecting off UA 6231? Check the risk

Questions

How often is UA 6231 from RIC to IAH late?

United Airlines 6231 from Richmond, VA to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 18% of 298 scheduled flights between September 2025 and August 2026. 0.3% 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.