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(WN) Southwest Airlines 3988 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(VPS) Destin-Fort Walton Beach Airport

Fort Walton Beach, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
6
38%
Late
6
38%
Very Late
0
0%
Excessive
4
25%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
16
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
35.07692307692308
Standard Deviation
27.7
Min
0
Max
89

WN 3988 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 38%
Average Delay Time 35.07692307692308 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 20% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 38%
This flight has an on-time performance of 38%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 35.07692307692308 min
This flight has an average delay of 35.07692307692308 minutes with a standard deviation of 27.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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