ON TIMEBOARD

UA 253 on time

United Airlines 253: Houston to Honolulu at 10:10 a.m. (past 12 months)

On time
78%
365 flights · likely 74–82%
Cancelled
0.8%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+42 min
average delay
Similar flights
81%
UA, same route & hour

About 1 in 5 UA 253 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (22%); 0.8% were cancelled. The typical flight landed 3 minutes early.

UA 253: IAH → HNL

Scheduled to leave Houston at 10:10 a.m. local time. Over the past year it arrived on time 78% of the time (365 flights), in line with other UA flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 81% on time (31 flights)81OctNov 2025: 90% on time (30 flights)90NovDec 2025: 94% on time (31 flights)94DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 71% on time (28 flights)71FebMar 2026: 81% on time (31 flights)81MarApr 2026: 73% on time (30 flights)73AprMay 2026: 71% on time (31 flights)71MayJun 2026: 50% on time (30 flights)50JunJul 2026: 68% on time (31 flights)68JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday5379%
Tuesday5285%
Wednesday5281%
Thursday5273%
Friday5283%
Saturday5273%
Sunday5275%

Why it was late

Airline (crew, maintenance, ops) 43%Air traffic & airport (NAS) 32%Late inbound plane 16%Severe weather 9%

All flights IAH → HNL · Connecting off UA 253? Check the risk

Questions

How often is UA 253 from IAH to HNL late?

United Airlines 253 from Houston, TX to Honolulu, HI arrived 15 or more minutes late, was diverted or was cancelled on 22% of 365 scheduled flights between September 2025 and August 2026. 0.8% 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.