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(WN) Southwest Airlines 3751 On-Time Performance Rating

Date Range:

01-Feb-2026 to 31-Mar-2026

(MDW) Chicago Midway International Airport

Chicago, IL, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
13
65%
Late
2
10%
Very Late
1
5%
Excessive
1
5%
Cancelled
3
15%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
20.125
Standard Deviation
20.7
Min
0
Max
67

WN 3751 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 65%
Average Delay Time 20.125 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 42% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 20.125 min
This flight has an average delay of 20.125 minutes with a standard deviation of 20.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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