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(WN) Southwest Airlines 921 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
68%
Late
4
14%
Very Late
0
0%
Excessive
5
18%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
42.05555555555556
Standard Deviation
53.1
Min
0
Max
175

WN 921 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 68%
Average Delay Time 42.05555555555556 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 42.05555555555556 min
This flight has an average delay of 42.05555555555556 minutes with a standard deviation of 53.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

Other Stops for WN 921