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(WN) Southwest Airlines 990 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(DEN) Denver International Airport

Denver, CO, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
83%
Late
1
17%
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 )
1
Codeshares
0
Average Delay (min.)
15
Standard Deviation
0
Min
0
Max
15

WN 990 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 83%
Average Delay Time 15 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
3.5 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 69% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 15 min
This flight has an average delay of 15 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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