ON TIMEBOARD

UA 5308 on time

United Airlines 5308: Denver to Colorado Springs at 4:55 p.m. (past 12 months)

On time
61%
229 flights · likely 55–67%
Cancelled
4.4%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+90 min
average delay
Similar flights
68%
UA, same route & hour

About 1 in 3 UA 5308 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (39%); 4.4% were cancelled. The typical flight landed 5 minutes early.

UA 5308: DEN → COS

Scheduled to leave Denver at 4:55 p.m. local time, operated by SkyWest as OO 5308. Over the past year it arrived on time 61% of the time (229 flights), worse than other UA flights on the route at that hour (68%). Last seen in the data Aug 31, 2026.

Month by month

20%60%100%Jun 2025: 50% on time (30 flights)50JunJul 2025: 32% on time (31 flights)32JulAug 2025: 48% on time (31 flights)48AugSep 2025: 77% on time (30 flights)77SepOct 2025: 77% on time (31 flights)77OctNov 2025: 62% on time (29 flights)62NovDec 2025: 71% on time (31 flights)71DecJan 2026: too few flights (5 flights)JanMay 2026: too few flights (11 flights)MayJun 2026: 50% on time (30 flights)50JunJul 2026: 48% on time (31 flights)48JulAug 2026: 39% on time (31 flights)39Aug

By day of week

DayFlightsOn time
Monday3462%
Tuesday3259%
Wednesday3266%
Thursday3253%
Friday3361%
Saturday3367%
Sunday3361%

Why it was late

Airline (crew, maintenance, ops) 46%Air traffic & airport (NAS) 29%Late inbound plane 16%Severe weather 8%

All flights DEN → COS · Connecting off UA 5308? Check the risk

Questions

How often is UA 5308 from DEN to COS late?

United Airlines 5308 from Denver, CO to Colorado Springs, CO arrived 15 or more minutes late, was diverted or was cancelled on 39% of 229 scheduled flights between September 2025 and August 2026. 4.4% 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.