ON TIMEBOARD

UA 4712 on time

United Airlines 4712: Denver to Tulsa at 8:55 p.m. (past 12 months)

On time
77%
235 flights · likely 72–82%
Cancelled
0.9%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+82 min
average delay
Similar flights
80%
UA, same route & hour

About 1 in 4 UA 4712 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (23%); 0.9% were cancelled. The typical flight landed 11 minutes early.

UA 4712: DEN → TUL

Scheduled to leave Denver at 8:55 p.m. local time, operated by SkyWest as OO 4712. Over the past year it arrived on time 77% of the time (235 flights), in line with other UA flights on the route at that hour (80%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Denver to Tulsa (100% of days). United Airlines's last DEN–TUL flight was cancelled 0.5% of the time, against 0.9% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 10:04 a.m. the next morning.

Month by month

40%70%100%Jan 2026: 77% on time (26 flights)77JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 94% on time (31 flights)94MarApr 2026: 80% on time (30 flights)80AprMay 2026: 80% on time (30 flights)80MayJun 2026: 72% on time (29 flights)72JunJul 2026: 70% on time (30 flights)70JulAug 2026: 61% on time (31 flights)61Aug

By day of week

DayFlightsOn time
Monday3476%
Tuesday3485%
Wednesday3275%
Thursday3462%
Friday3471%
Saturday3388%
Sunday3485%

Why it was late

Severe weather 39%Late inbound plane 22%Airline (crew, maintenance, ops) 20%Air traffic & airport (NAS) 19%Security 1%

All flights DEN → TUL · Connecting off UA 4712? Check the risk

Questions

How often is UA 4712 from DEN to TUL late?

United Airlines 4712 from Denver, CO to Tulsa, OK arrived 15 or more minutes late, was diverted or was cancelled on 23% of 235 scheduled flights between September 2025 and August 2026. 0.9% 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.