ON TIMEBOARD

UA 5226 on time

United Airlines 5226: Denver to Casper at 8:49 p.m. (past 12 months)

On time
79%
336 flights · likely 75–83%
Cancelled
0.3%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+129 min
average delay
Similar flights
79%
UA, same route & hour

About 1 in 5 UA 5226 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (21%); 0.3% were cancelled. The typical flight landed 9 minutes early.

UA 5226: DEN → CPR

Scheduled to leave Denver at 8:49 p.m. local time, operated by SkyWest as OO 5226. Over the past year it arrived on time 79% of the time (336 flights), in line with other UA flights on the route at that hour (79%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Denver to Casper (99% of days). United Airlines's last DEN–CPR flight was cancelled 0.3% of the time, against 1.1% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 7:40 a.m. the next morning.

Month by month

40%70%100%Sep 2025: too few flights (6 flights)SepOct 2025: 93% on time (30 flights)93OctNov 2025: 90% on time (29 flights)90NovDec 2025: 71% on time (31 flights)71DecJan 2026: 68% on time (31 flights)68JanFeb 2026: 96% on time (28 flights)96FebMar 2026: 87% on time (30 flights)87MarApr 2026: 97% on time (29 flights)97AprMay 2026: 81% on time (31 flights)81MayJun 2026: 53% on time (30 flights)53JunJul 2026: 80% on time (30 flights)80JulAug 2026: 55% on time (31 flights)55Aug

By day of week

DayFlightsOn time
Monday4973%
Tuesday4885%
Wednesday4779%
Thursday4883%
Friday4982%
Saturday4678%
Sunday4973%

Why it was late

Airline (crew, maintenance, ops) 58%Late inbound plane 20%Severe weather 17%Air traffic & airport (NAS) 5%

All flights DEN → CPR · Connecting off UA 5226? Check the risk

Questions

How often is UA 5226 from DEN to CPR late?

United Airlines 5226 from Denver, CO to Casper, WY arrived 15 or more minutes late, was diverted or was cancelled on 21% of 336 scheduled flights between September 2025 and August 2026. 0.3% 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.