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(WN) Southwest Airlines 423 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(MDW) Chicago Midway International Airport

Chicago, IL, US

(MEM) Memphis International Airport

Memphis, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
13
81%
Late
0
0%
Very Late
0
0%
Excessive
2
13%
Cancelled
1
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
16
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
34.833333333333336
Standard Deviation
44.1
Min
0
Max
95

WN 423 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 81%
Average Delay Time 34.833333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 57% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 34.833333333333336 min
This flight has an average delay of 34.833333333333336 minutes with a standard deviation of 44.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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