ON TIMEBOARD

UA 4731 on time

United Airlines 4731: Denver to Santa Fe at 8:25 a.m. (past 12 months)

On time
89%
283 flights · likely 84–92%
Cancelled
1.1%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+67 min
average delay
Similar flights
91%
UA, same route & hour

About 1 in 9 UA 4731 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (11%); 1.1% were cancelled. The typical flight landed 12 minutes early.

UA 4731: DEN → SAF

Scheduled to leave Denver at 8:25 a.m. local time, operated by SkyWest as OO 4731. Over the past year it arrived on time 89% of the time (283 flights), in line with other UA flights on the route at that hour (91%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 97% on time (31 flights)97AugSep 2025: 97% on time (30 flights)97SepOct 2025: 83% on time (29 flights)83OctNov 2025: 75% on time (20 flights)75NovDec 2025: 87% on time (15 flights)87DecJan 2026: 90% on time (31 flights)90JanFeb 2026: 96% on time (27 flights)96FebMar 2026: 71% on time (28 flights)71MarMay 2026: too few flights (11 flights)MayJun 2026: 93% on time (30 flights)93JunJul 2026: 97% on time (31 flights)97JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday4388%
Tuesday3797%
Wednesday3689%
Thursday4388%
Friday4288%
Saturday4090%
Sunday4281%

Why it was late

Airline (crew, maintenance, ops) 76%Late inbound plane 15%Air traffic & airport (NAS) 8%Severe weather 1%

All flights DEN → SAF · Connecting off UA 4731? Check the risk

Questions

How often is UA 4731 from DEN to SAF late?

United Airlines 4731 from Denver, CO to Santa Fe, NM arrived 15 or more minutes late, was diverted or was cancelled on 11% of 283 scheduled flights between September 2025 and August 2026. 1.1% 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.