background

(WN) Southwest Airlines 121 On-Time Performance Rating

Date Range:

01-Dec-2024 to 31-Jan-2025

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
36
88%
Late
2
5%
Very Late
0
0%
Excessive
1
2%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
19.77777777777778
Standard Deviation
29.6
Min
0
Max
94

WN 121 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 88%
Average Delay Time 19.77777777777778 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 86% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 19.77777777777778 min
This flight has an average delay of 19.77777777777778 minutes with a standard deviation of 29.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.