ON TIMEBOARD

F9 4625 on time

Frontier Airlines 4625: Memphis to Denver at 7:48 p.m. (past 12 months)

On time
75%
138 flights · likely 68–82%
Cancelled
0.7%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+63 min
average delay
Similar flights
72%
F9, same route & hour

About 1 in 4 F9 4625 flights from Memphis arrived 15+ minutes late, diverted or cancelled over the past year (25%); 0.7% were cancelled. The typical flight landed 6 minutes early.

F9 4625: MEM → DEN

Scheduled to leave Memphis at 7:48 p.m. local time. Over the past year it arrived on time 75% of the time (138 flights), better than other F9 flights on the route at that hour (72%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: too few flights (9 flights)SepOct 2025: too few flights (12 flights)OctNov 2025: too few flights (13 flights)NovDec 2025: too few flights (11 flights)DecJan 2026: too few flights (10 flights)JanFeb 2026: too few flights (13 flights)FebMar 2026: too few flights (13 flights)MarApr 2026: too few flights (9 flights)AprMay 2026: too few flights (11 flights)MayJun 2026: too few flights (12 flights)JunJul 2026: too few flights (14 flights)JulAug 2026: too few flights (11 flights)Aug

By day of week

DayFlightsOn time
Monday3174%
Tuesday2—
Wednesday13—
Thursday3171%
Friday2785%
Sunday3479%

Why it was late

Late inbound plane 51%Air traffic & airport (NAS) 25%Airline (crew, maintenance, ops) 22%Severe weather 2%

All flights MEM → DEN · Connecting off F9 4625? Check the risk

Questions

How often is F9 4625 from MEM to DEN late?

Frontier Airlines 4625 from Memphis, TN to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 25% of 138 scheduled flights between September 2025 and August 2026. 0.7% 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.