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(WN) Southwest Airlines 3770 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(DSM) Des Moines International Airport

Des Moines, IA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
83%
Late
0
0%
Very Late
1
17%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
6
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
19
Standard Deviation
17.4
Min
0
Max
39

WN 3770 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 83%
Average Delay Time 19 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 67% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 19 min
This flight has an average delay of 19 minutes with a standard deviation of 17.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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