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(WN) Southwest Airlines 866 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(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
1
33%
Late
2
67%
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
3
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
18
Standard Deviation
9.8
Min
7
Max
26

WN 866 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 33%
Average Delay Time 18 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 36% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 33%
This flight has an on-time performance of 33%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 18 min
This flight has an average delay of 18 minutes with a standard deviation of 9.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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