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(WN) Southwest Airlines 4012 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(AUS) Austin-Bergstrom International Airport

Austin, TX, US

(MDW) Chicago Midway International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
50%
Late
0
0%
Very Late
1
10%
Excessive
3
30%
Cancelled
1
10%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
10
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
67.4
Standard Deviation
48.5
Min
0
Max
126

WN 4012 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 50%
Average Delay Time 67.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 3% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 67.4 min
This flight has an average delay of 67.4 minutes with a standard deviation of 48.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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