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(WN) Southwest Airlines 4315 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
6
55%
Late
3
27%
Very Late
0
0%
Excessive
2
18%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
23.375
Standard Deviation
18.6
Min
0
Max
54

WN 4315 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 55%
Average Delay Time 23.375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 36% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 55%
This flight has an on-time performance of 55%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 23.375 min
This flight has an average delay of 23.375 minutes with a standard deviation of 18.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

Other Stops for WN 4315