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(WN) Southwest Airlines 4423 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(MDW) Chicago Midway International Airport

Chicago, IL, US

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
3
60%
Late
0
0%
Very Late
1
20%
Excessive
1
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
5
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
33.8
Standard Deviation
43.6
Min
5
Max
109

WN 4423 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 60%
Average Delay Time 33.8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 33.8 min
This flight has an average delay of 33.8 minutes with a standard deviation of 43.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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