ON TIMEBOARD

UA 497 on time

United Airlines 497: Denver to Salt Lake City at 8:00 a.m.; Salt Lake City to Houston at 1:00 p.m.; Houston to Pensacola at 8:20 p.m. (past 12 months). Figures below the title are for DEN → SLC, its busiest leg

On time
90%
214 flights · likely 85–93%
Cancelled
0.0%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+45 min
average delay
Similar flights
90%
UA, same route & hour

About 1 in 10 UA 497 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (10%); 0.0% were cancelled. The typical flight landed 12 minutes early.

UA 497: DEN → SLC

Scheduled to leave Denver at 8:00 a.m. local time. Over the past year it arrived on time 90% of the time (214 flights), in line with other UA flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: too few flights (5 flights)SepOct 2025: 86% on time (21 flights)86OctDec 2025: too few flights (14 flights)DecJan 2026: 87% on time (31 flights)87JanFeb 2026: 100% on time (27 flights)100FebMar 2026: 89% on time (28 flights)89MarMay 2026: 94% on time (16 flights)94MayJun 2026: 83% on time (23 flights)83JunJul 2026: 95% on time (22 flights)95JulAug 2026: 93% on time (27 flights)93Aug

By day of week

DayFlightsOn time
Monday3491%
Tuesday3197%
Wednesday3194%
Thursday3689%
Friday3683%
Saturday18—
Sunday2889%

Why it was late

Air traffic & airport (NAS) 42%Airline (crew, maintenance, ops) 40%Late inbound plane 18%

All flights DEN → SLC · Connecting off UA 497? Check the risk

UA 497: SLC → IAH

Scheduled to leave Salt Lake City at 1:00 p.m. local time. Over the past year it arrived on time 79% of the time (213 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%Jan 2026: 87% on time (23 flights)87JanFeb 2026: 87% on time (23 flights)87FebMar 2026: 87% on time (31 flights)87MarApr 2026: 81% on time (27 flights)81AprMay 2026: 61% on time (31 flights)61MayJun 2026: 69% on time (26 flights)69JunJul 2026: 85% on time (26 flights)85JulAug 2026: 77% on time (26 flights)77Aug

By day of week

DayFlightsOn time
Monday3083%
Tuesday2886%
Wednesday3474%
Thursday3479%
Friday3482%
Saturday2969%
Sunday2479%

Why it was late

Late inbound plane 38%Airline (crew, maintenance, ops) 37%Air traffic & airport (NAS) 24%

All flights SLC → IAH · Connecting off UA 497? Check the risk

UA 497: IAH → PNS

Scheduled to leave Houston at 8:20 p.m. local time. Over the past year it arrived on time 77% of the time (153 flights), in line with other UA flights on the route at that hour (78%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Houston to Pensacola (100% of days). United Airlines's last IAH–PNS flight was cancelled 0.8% of the time, against 0.7% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 8:00 a.m. the next morning.

Month by month

40%70%100%Mar 2026: too few flights (3 flights)MarApr 2026: 77% on time (30 flights)77AprMay 2026: 81% on time (31 flights)81MayJun 2026: 73% on time (30 flights)73JunJul 2026: 68% on time (31 flights)68JulAug 2026: 86% on time (28 flights)86Aug

By day of week

DayFlightsOn time
Monday2391%
Tuesday2282%
Wednesday2286%
Thursday2264%
Friday2273%
Saturday2273%
Sunday2070%

Why it was late

Late inbound plane 60%Airline (crew, maintenance, ops) 26%Air traffic & airport (NAS) 10%Severe weather 5%

All flights IAH → PNS · Connecting off UA 497? Check the risk

Questions

How often is UA 497 from DEN to SLC late?

United Airlines 497 from Denver, CO to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 10% of 214 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

How often is UA 497 from SLC to IAH late?

United Airlines 497 from Salt Lake City, UT to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 21% of 213 scheduled flights between September 2025 and August 2026. 0.9% were cancelled.

How often is UA 497 from IAH to PNS late?

United Airlines 497 from Houston, TX to Pensacola, FL arrived 15 or more minutes late, was diverted or was cancelled on 23% of 153 scheduled flights between September 2025 and August 2026. 0.0% 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.