ON TIMEBOARD

UA 4734 on time

United Airlines 4734: Denver to Colorado Springs at 11:15 a.m. (past 12 months)

On time
75%
183 flights · likely 69–81%
Cancelled
4.4%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+60 min
average delay
Similar flights
77%
UA, same route & hour

About 1 in 4 UA 4734 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (25%); 4.4% were cancelled. The typical flight landed 3 minutes early.

UA 4734: DEN → COS

Scheduled to leave Denver at 11:15 a.m. local time, operated by SkyWest as OO 4734. Over the past year it arrived on time 75% of the time (183 flights), in line with other UA flights on the route at that hour (77%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%May 2025: too few flights (10 flights)MayJun 2025: 67% on time (30 flights)67JunJul 2025: 81% on time (31 flights)81JulAug 2025: 81% on time (31 flights)81AugSep 2025: 87% on time (30 flights)87SepOct 2025: 81% on time (31 flights)81OctNov 2025: 70% on time (30 flights)70NovDec 2025: 74% on time (31 flights)74DecJan 2026: too few flights (5 flights)JanMay 2026: too few flights (11 flights)MayJun 2026: 71% on time (24 flights)71JunAug 2026: 67% on time (21 flights)67Aug

By day of week

DayFlightsOn time
Monday2774%
Tuesday2673%
Wednesday2665%
Thursday2685%
Friday2677%
Saturday2665%
Sunday2688%

Why it was late

Late inbound plane 42%Airline (crew, maintenance, ops) 36%Air traffic & airport (NAS) 15%Severe weather 6%Security 1%

All flights DEN → COS · Connecting off UA 4734? Check the risk

Questions

How often is UA 4734 from DEN to COS late?

United Airlines 4734 from Denver, CO to Colorado Springs, CO arrived 15 or more minutes late, was diverted or was cancelled on 25% of 183 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.