ON TIMEBOARD

UA 4719 on time

United Airlines 4719: Colorado Springs to Denver at 5:05 p.m. (past 12 months)

On time
66%
303 flights · likely 60–71%
Cancelled
3.0%
of scheduled flights
Typical arrival
+2 min
median vs schedule
When late
+70 min
average delay
Similar flights
65%
UA, same route & hour

About 1 in 3 UA 4719 flights from Colorado Springs arrived 15+ minutes late, diverted or cancelled over the past year (34%); 3.0% were cancelled. The typical flight landed 2 minutes late.

UA 4719: COS → DEN

Scheduled to leave Colorado Springs at 5:05 p.m. local time, operated by SkyWest as OO 4719. Over the past year it arrived on time 66% of the time (303 flights), in line with other UA flights on the route at that hour (65%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Sep 2025: 55% on time (29 flights)55SepOct 2025: 52% on time (27 flights)52OctNov 2025: 50% on time (26 flights)50NovDec 2025: 67% on time (15 flights)67DecJan 2026: 71% on time (31 flights)71JanFeb 2026: 64% on time (28 flights)64FebMar 2026: 80% on time (30 flights)80MarApr 2026: 93% on time (30 flights)93AprMay 2026: 85% on time (20 flights)85MayJun 2026: too few flights (6 flights)JunJul 2026: 70% on time (30 flights)70JulAug 2026: 42% on time (31 flights)42Aug

By day of week

DayFlightsOn time
Monday4661%
Tuesday4455%
Wednesday4475%
Thursday4470%
Friday4560%
Saturday3577%
Sunday4564%

Why it was late

Air traffic & airport (NAS) 40%Late inbound plane 31%Airline (crew, maintenance, ops) 19%Severe weather 11%

All flights COS → DEN · Connecting off UA 4719? Check the risk

Questions

How often is UA 4719 from COS to DEN late?

United Airlines 4719 from Colorado Springs, CO to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 34% of 303 scheduled flights between September 2025 and August 2026. 3.0% 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.