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(WN) Southwest Airlines 3665 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(PHL) Philadelphia International Airport

Philadelphia, PA, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
4
67%
Late
2
33%
Very Late
0
0%
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 )
4
Codeshares
0
Average Delay (min.)
12.5
Standard Deviation
5.1
Min
0
Max
17

WN 3665 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 67%
Average Delay Time 12.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 59% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 12.5 min
This flight has an average delay of 12.5 minutes with a standard deviation of 5.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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