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(WN) Southwest Airlines 2012 On-Time Performance Rating

Date Range:

01-Sep-2025 to 31-Oct-2025

(MDW) Chicago Midway International Airport

Chicago, IL, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
25
96%
Late
1
4%
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
26
Total Delays ( > 1 min )
2
Codeshares
0
Average Delay (min.)
8.5
Standard Deviation
9.2
Min
0
Max
15

WN 2012 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 96%
Average Delay Time 8.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 85% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 96%
This flight has an on-time performance of 96%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 8.5 min
This flight has an average delay of 8.5 minutes with a standard deviation of 9.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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