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(WN) Southwest Airlines 237 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(DEN) Denver International Airport

Denver, CO, US

(HOU) Houston Hobby Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
71%
Late
0
0%
Very Late
2
10%
Excessive
4
19%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
21
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
62.55555555555556
Standard Deviation
66.3
Min
0
Max
211

WN 237 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 71%
Average Delay Time 62.55555555555556 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 25% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 62.55555555555556 min
This flight has an average delay of 62.55555555555556 minutes with a standard deviation of 66.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.

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