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(WN) Southwest Airlines 1399 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
58%
Late
4
21%
Very Late
1
5%
Excessive
3
16%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
27.416666666666668
Standard Deviation
22.7
Min
0
Max
70

WN 1399 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 58%
Average Delay Time 27.416666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 58%
This flight has an on-time performance of 58%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 27.416666666666668 min
This flight has an average delay of 27.416666666666668 minutes with a standard deviation of 22.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

Other Stops for WN 1399