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(WN) Southwest Airlines 4429 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(MDW) Chicago Midway International Airport

Chicago, IL, US

(SJC) San Jose Mineta International Airport

San Jose, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
83%
Late
3
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
18
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
8.8
Standard Deviation
4.7
Min
0
Max
16

WN 4429 On-Time Performance Details

Overall Rating
4.5 of 5
Good
Percentage On-Time 83%
Average Delay Time 8.8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 89% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
Good
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 84% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 8.8 min
This flight has an average delay of 8.8 minutes with a standard deviation of 4.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.

Other Stops for WN 4429