ON TIMEBOARD

UA 5040 on time

United Airlines 5040: Sheridan to Denver at 5:15 a.m. (past 12 months)

On time
87%
155 flights · likely 81–91%
Cancelled
0.7%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+173 min
average delay
Similar flights
84%
UA, same route & hour

About 1 in 8 UA 5040 flights from Sheridan arrived 15+ minutes late, diverted or cancelled over the past year (13%); 0.7% were cancelled. The typical flight landed 11 minutes early.

UA 5040: SHR → DEN

Scheduled to leave Sheridan at 5:15 a.m. local time, operated by SkyWest as OO 5040. Over the past year it arrived on time 87% of the time (155 flights), better than other UA flights on the route at that hour (84%). Last seen in the data Aug 10, 2026.

Month by month

40%70%100%May 2025: 81% on time (31 flights)81MayJun 2025: 83% on time (30 flights)83JunJul 2025: 87% on time (31 flights)87JulAug 2025: 97% on time (31 flights)97AugSep 2025: 93% on time (30 flights)93SepOct 2025: 76% on time (25 flights)76OctDec 2025: too few flights (14 flights)DecJan 2026: too few flights (4 flights)JanMay 2026: too few flights (11 flights)MayJun 2026: 90% on time (30 flights)90JunJul 2026: 87% on time (31 flights)87JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday2387%
Tuesday2190%
Wednesday2195%
Thursday2273%
Friday2391%
Saturday2387%
Sunday2286%

Why it was late

Airline (crew, maintenance, ops) 82%Air traffic & airport (NAS) 10%Late inbound plane 7%Security 1%

All flights SHR → DEN · Connecting off UA 5040? Check the risk

Questions

How often is UA 5040 from SHR to DEN late?

United Airlines 5040 from Sheridan, WY to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 13% of 155 scheduled flights between September 2025 and August 2026. 0.7% 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.