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(WN) Southwest Airlines 437 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(MDW) Chicago Midway International Airport

Chicago, IL, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
95%
Late
1
5%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
8.6
Standard Deviation
7.4
Min
0
Max
20

WN 437 On-Time Performance Details

Overall Rating
4.7 of 5
Very Good
Percentage On-Time 95%
Average Delay Time 8.6 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.7 shows that this flight has on-time performance characteristics better than 92% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 95%
This flight has an on-time performance of 95%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 8.6 min
This flight has an average delay of 8.6 minutes with a standard deviation of 7.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.

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