background

(F9) Frontier Airlines 1229 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(DEN) Denver International Airport

Denver, CO, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
29%
Late
9
18%
Very Late
13
27%
Excessive
13
27%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
49
Total Delays ( > 1 min )
39
Codeshares
0
Average Delay (min.)
39.61538461538461
Standard Deviation
25.4
Min
0
Max
126

F9 1229 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 29%
Average Delay Time 39.61538461538461 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 29%
This flight has an on-time performance of 29%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 39.61538461538461 min
This flight has an average delay of 39.61538461538461 minutes with a standard deviation of 25.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.