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(WN) Southwest Airlines 3940 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(MDW) Chicago Midway International Airport

Chicago, IL, US

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
82%
Late
1
9%
Very Late
0
0%
Excessive
1
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
49.57142857142857
Standard Deviation
101.8
Min
0
Max
280

WN 3940 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 82%
Average Delay Time 49.57142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 49.57142857142857 min
This flight has an average delay of 49.57142857142857 minutes with a standard deviation of 101.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

Other Stops for WN 3940