ON TIMEBOARD

UA 6148 on time

United Airlines 6148: Houston to Raleigh at 8:15 a.m. (past 12 months)

On time
89%
253 flights · likely 84–92%
Cancelled
1.2%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+38 min
average delay
Similar flights
89%
UA, same route & hour

About 1 in 9 UA 6148 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (11%); 1.2% were cancelled. The typical flight landed 10 minutes early.

UA 6148: IAH → RDU

Scheduled to leave Houston at 8:15 a.m. local time, operated by Mesa Airlines as YV 6148. Over the past year it arrived on time 89% of the time (253 flights), in line with other UA flights on the route at that hour (89%). Last seen in the data Aug 10, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (20 flights)90SepOct 2025: too few flights (5 flights)OctNov 2025: 85% on time (27 flights)85NovDec 2025: 79% on time (29 flights)79DecJan 2026: 85% on time (26 flights)85JanFeb 2026: 86% on time (22 flights)86FebMar 2026: too few flights (7 flights)MarApr 2026: 93% on time (30 flights)93AprMay 2026: 88% on time (26 flights)88MayJun 2026: 96% on time (26 flights)96JunJul 2026: 93% on time (27 flights)93JulAug 2026: too few flights (8 flights)Aug

By day of week

DayFlightsOn time
Monday4393%
Tuesday3291%
Wednesday3797%
Thursday4090%
Friday4083%
Saturday19—
Sunday4283%

Why it was late

Airline (crew, maintenance, ops) 50%Late inbound plane 30%Air traffic & airport (NAS) 20%

All flights IAH → RDU · Connecting off UA 6148? Check the risk

Questions

How often is UA 6148 from IAH to RDU late?

United Airlines 6148 from Houston, TX to Raleigh/Durham, NC arrived 15 or more minutes late, was diverted or was cancelled on 11% of 253 scheduled flights between September 2025 and August 2026. 1.2% 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.