ON TIMEBOARD

UA 5127 on time

United Airlines 5127: Prescott to Denver at 8:37 a.m. (past 12 months)

On time
88%
315 flights · likely 84–91%
Cancelled
0.3%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+104 min
average delay
Similar flights
91%
UA, same route & hour

About 1 in 8 UA 5127 flights from Prescott arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.3% were cancelled. The typical flight landed 8 minutes early.

UA 5127: PRC → DEN

Scheduled to leave Prescott at 8:37 a.m. local time, operated by SkyWest as OO 5127. Over the past year it arrived on time 88% of the time (315 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%Sep 2025: 87% on time (30 flights)87SepOct 2025: 94% on time (31 flights)94OctNov 2025: 97% on time (29 flights)97NovDec 2025: 80% on time (30 flights)80DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 79% on time (28 flights)79FebMar 2026: too few flights (7 flights)MarApr 2026: 80% on time (30 flights)80AprMay 2026: 100% on time (31 flights)100MayJun 2026: too few flights (6 flights)JunJul 2026: 90% on time (31 flights)90JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday4591%
Tuesday4584%
Wednesday4587%
Thursday4584%
Friday4584%
Saturday4591%
Sunday4593%

Why it was late

Airline (crew, maintenance, ops) 51%Late inbound plane 28%Air traffic & airport (NAS) 12%Severe weather 9%

All flights PRC → DEN · Connecting off UA 5127? Check the risk

Questions

How often is UA 5127 from PRC to DEN late?

United Airlines 5127 from Prescott, AZ to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 12% of 315 scheduled flights between September 2025 and August 2026. 0.3% 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.