ON TIMEBOARD

F9 1748 on time

Frontier Airlines 1748: Phoenix to Denver at 12:50 p.m. (past 12 months)

On time
78%
165 flights · likely 71–83%
Cancelled
1.2%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+101 min
average delay
Similar flights
79%
F9, same route & hour

About 1 in 4 F9 1748 flights from Phoenix arrived 15+ minutes late, diverted or cancelled over the past year (22%); 1.2% were cancelled. The typical flight landed 10 minutes early.

F9 1748: PHX → DEN

Scheduled to leave Phoenix at 12:50 p.m. local time. Over the past year it arrived on time 78% of the time (165 flights), in line with other F9 flights on the route at that hour (79%). Last seen in the data Aug 29, 2026.

Month by month

40%70%100%Apr 2025: too few flights (7 flights)AprOct 2025: too few flights (9 flights)OctNov 2025: too few flights (1 flights)NovDec 2025: too few flights (4 flights)DecJan 2026: 58% on time (24 flights)58JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 68% on time (28 flights)68MarApr 2026: 91% on time (23 flights)91AprMay 2026: 65% on time (20 flights)65MayJun 2026: too few flights (9 flights)JunJul 2026: too few flights (9 flights)JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday2070%
Tuesday3683%
Wednesday3278%
Thursday17—
Friday2471%
Saturday17—
Sunday19—

Why it was late

Late inbound plane 55%Airline (crew, maintenance, ops) 30%Air traffic & airport (NAS) 16%

All flights PHX → DEN · Connecting off F9 1748? Check the risk

Questions

How often is F9 1748 from PHX to DEN late?

Frontier Airlines 1748 from Phoenix, AZ to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 22% of 165 scheduled flights between September 2025 and August 2026. 1.2% 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.