ON TIMEBOARD

UA 2157 on time

United Airlines 2157: Houston to Salt Lake City at 8:25 p.m. (past 12 months)

On time
76%
362 flights · likely 72–80%
Cancelled
0.8%
of scheduled flights
Typical arrival
−2 min
median vs schedule
When late
+73 min
average delay
Similar flights
76%
UA, same route & hour

About 1 in 4 UA 2157 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (24%); 0.8% were cancelled. The typical flight landed 2 minutes early.

UA 2157: IAH → SLC

Scheduled to leave Houston at 8:25 p.m. local time. Over the past year it arrived on time 76% of the time (362 flights), in line with other UA flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Houston to Salt Lake City (100% of days). United Airlines's last IAH–SLC flight was cancelled 0.8% of the time, against 0.3% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 9:45 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 83% on time (30 flights)83SepOct 2025: 77% on time (31 flights)77OctNov 2025: 79% on time (29 flights)79NovDec 2025: 80% on time (30 flights)80DecJan 2026: 97% on time (31 flights)97JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 65% on time (31 flights)65MarApr 2026: 77% on time (30 flights)77AprMay 2026: 71% on time (31 flights)71MayJun 2026: 67% on time (30 flights)67JunJul 2026: 73% on time (30 flights)73JulAug 2026: 61% on time (31 flights)61Aug

By day of week

DayFlightsOn time
Monday5374%
Tuesday5271%
Wednesday5176%
Thursday5182%
Friday5271%
Saturday5184%
Sunday5275%

Why it was late

Late inbound plane 57%Airline (crew, maintenance, ops) 30%Air traffic & airport (NAS) 10%Severe weather 3%

All flights IAH → SLC · Connecting off UA 2157? Check the risk

Questions

How often is UA 2157 from IAH to SLC late?

United Airlines 2157 from Houston, TX to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 24% of 362 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.