ON TIMEBOARD

F9 4766 on time

Frontier Airlines 4766: Phoenix to Denver at 6:51 p.m. (past 12 months)

On time
82%
179 flights · likely 76–87%
Cancelled
1.1%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+95 min
average delay
Similar flights
83%
F9, same route & hour

About 1 in 6 F9 4766 flights from Phoenix arrived 15+ minutes late, diverted or cancelled over the past year (18%); 1.1% were cancelled. The typical flight landed 11 minutes early.

F9 4766: PHX → DEN

Scheduled to leave Phoenix at 6:51 p.m. local time. Over the past year it arrived on time 82% of the time (179 flights), in line with other F9 flights on the route at that hour (83%). Last seen in the data Aug 26, 2026.

Month by month

40%70%100%Sep 2025: 88% on time (16 flights)88SepOct 2025: 94% on time (18 flights)94OctNov 2025: too few flights (11 flights)NovDec 2025: too few flights (2 flights)DecJan 2026: 74% on time (23 flights)74JanFeb 2026: 85% on time (27 flights)85FebMar 2026: too few flights (7 flights)MarApr 2026: 90% on time (30 flights)90AprMay 2026: 83% on time (24 flights)83MayJun 2026: too few flights (10 flights)JunJul 2026: too few flights (4 flights)JulAug 2026: too few flights (7 flights)Aug

By day of week

DayFlightsOn time
Monday2692%
Tuesday2378%
Wednesday2383%
Thursday2774%
Friday3080%
Saturday2479%
Sunday2688%

Why it was late

Late inbound plane 64%Air traffic & airport (NAS) 28%Airline (crew, maintenance, ops) 7%

All flights PHX → DEN · Connecting off F9 4766? Check the risk

Questions

How often is F9 4766 from PHX to DEN late?

Frontier Airlines 4766 from Phoenix, AZ to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 18% of 179 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 Frontier Airlines for today's flight. Method.