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(F9) Frontier Airlines 4637 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(CLE) Cleveland Hopkins International Airport

Cleveland, OH, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
72%
Late
1
3%
Very Late
0
0%
Excessive
7
24%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
29
Total Delays ( > 1 min )
16
Codeshares
0
Average Delay (min.)
93.3125
Standard Deviation
225.3
Min
0
Max
923

F9 4637 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 72%
Average Delay Time 93.3125 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 93.3125 min
This flight has an average delay of 93.3125 minutes with a standard deviation of 225.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.