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(WN) Southwest Airlines 4121 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(SAT) San Antonio International Airport

San Antonio, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
25
66%
Late
2
5%
Very Late
3
8%
Excessive
8
21%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
38
Total Delays ( > 1 min )
21
Codeshares
0
Average Delay (min.)
50.333333333333336
Standard Deviation
58.9
Min
0
Max
226

WN 4121 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 66%
Average Delay Time 50.333333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 5% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 66%
This flight has an on-time performance of 66%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 50.333333333333336 min
This flight has an average delay of 50.333333333333336 minutes with a standard deviation of 58.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

Other Stops for WN 4121