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(WN) Southwest Airlines 3727 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(LAX) Los Angeles International Airport

Los Angeles, CA, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
16
80%
Late
2
10%
Very Late
1
5%
Excessive
0
0%
Cancelled
1
5%
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.)
12.375
Standard Deviation
9.5
Min
0
Max
31

WN 3727 On-Time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 80%
Average Delay Time 12.375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 74% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. 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
4.2 of 5
Good
Average Delay Time 12.375 min
This flight has an average delay of 12.375 minutes with a standard deviation of 9.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.

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