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(WN) Southwest Airlines 4372 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
1
6%
Late
8
44%
Very Late
2
11%
Excessive
7
39%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
18
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
43.27777777777778
Standard Deviation
28.8
Min
8
Max
106

WN 4372 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 6%
Average Delay Time 43.27777777777778 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
0.0 of 5
Very Poor
Percentage On-Time 6%
This flight has an on-time performance of 6%. 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
1.4 of 5
Poor
Average Delay Time 43.27777777777778 min
This flight has an average delay of 43.27777777777778 minutes with a standard deviation of 28.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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