ON TIMEBOARD

UA 5917 on time

United Airlines 5917: Houston to Aspen at 4:55 p.m. (past 12 months)

On time
73%
202 flights · likely 67–79%
Cancelled
5.5%
of scheduled flights
Typical arrival
−14 min
median vs schedule
When late
+109 min
average delay
Similar flights
68%
UA, same route & hour

About 1 in 4 UA 5917 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (27%); 5.5% were cancelled. The typical flight landed 14 minutes early.

UA 5917: IAH → ASE

Scheduled to leave Houston at 4:55 p.m. local time, operated by SkyWest as OO 5917. Over the past year it arrived on time 73% of the time (202 flights), better than other UA flights on the route at that hour (68%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Houston to Aspen (100% of days). United Airlines's last IAH–ASE flight was cancelled 5.2% of the time, against 1.7% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 9:50 a.m. the next morning.

Month by month

40%70%100%Jun 2025: too few flights (5 flights)JunJul 2025: 60% on time (30 flights)60JulAug 2025: 76% on time (17 flights)76AugDec 2025: too few flights (14 flights)DecJan 2026: 81% on time (27 flights)81JanFeb 2026: 73% on time (26 flights)73FebMar 2026: 79% on time (28 flights)79MarApr 2026: too few flights (5 flights)AprMay 2026: too few flights (11 flights)MayJun 2026: 57% on time (30 flights)57JunJul 2026: 67% on time (30 flights)67JulAug 2026: 77% on time (31 flights)77Aug

By day of week

DayFlightsOn time
Monday3073%
Tuesday2075%
Wednesday2986%
Thursday3181%
Friday3171%
Saturday3063%
Sunday3165%

Why it was late

Late inbound plane 40%Airline (crew, maintenance, ops) 35%Severe weather 14%Air traffic & airport (NAS) 11%

All flights IAH → ASE · Connecting off UA 5917? Check the risk

Questions

How often is UA 5917 from IAH to ASE late?

United Airlines 5917 from Houston, TX to Aspen, CO arrived 15 or more minutes late, was diverted or was cancelled on 27% of 202 scheduled flights between September 2025 and August 2026. 5.5% 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.