ON TIMEBOARD

UA 5712 on time

United Airlines 5712: Sun Valley to Denver at 7:00 a.m. (past 12 months)

On time
92%
192 flights · likely 87–95%
Cancelled
0.0%
of scheduled flights
Typical arrival
−16 min
median vs schedule
When late
+175 min
average delay
Similar flights
92%
UA, same route & hour

About 1 in 12 UA 5712 flights from Sun Valley arrived 15+ minutes late, diverted or cancelled over the past year (8%); 0.0% were cancelled. The typical flight landed 16 minutes early.

UA 5712: SUN → DEN

Scheduled to leave Sun Valley at 7:00 a.m. local time, operated by SkyWest as OO 5712. Over the past year it arrived on time 92% of the time (192 flights), in line with other UA flights on the route at that hour (92%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jan 2026: 92% on time (26 flights)92JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 97% on time (31 flights)97MarApr 2026: too few flights (6 flights)AprMay 2026: too few flights (9 flights)MayJun 2026: 90% on time (30 flights)90JunJul 2026: 97% on time (31 flights)97JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday2889%
Tuesday2785%
Wednesday2696%
Thursday2796%
Friday2893%
Saturday2893%
Sunday2889%

Why it was late

Airline (crew, maintenance, ops) 46%Late inbound plane 43%Air traffic & airport (NAS) 7%Severe weather 4%

All flights SUN → DEN · Connecting off UA 5712? Check the risk

Questions

How often is UA 5712 from SUN to DEN late?

United Airlines 5712 from Sun Valley/Hailey/Ketchum, ID to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 8% of 192 scheduled flights between September 2025 and August 2026. 0.0% 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.