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(WN) Southwest Airlines 437 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
38
78%
Late
8
16%
Very Late
1
2%
Excessive
2
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
49
Total Delays ( > 1 min )
24
Codeshares
0
Average Delay (min.)
19.083333333333332
Standard Deviation
20.9
Min
0
Max
95

WN 437 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 78%
Average Delay Time 19.083333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 19.083333333333332 min
This flight has an average delay of 19.083333333333332 minutes with a standard deviation of 20.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 95% of other flights.

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