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(WN) Southwest Airlines 121 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(BOI) Boise Air Terminal

Boise, ID, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
63%
Late
10
19%
Very Late
2
4%
Excessive
8
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
33
Codeshares
0
Average Delay (min.)
24.424242424242426
Standard Deviation
21.2
Min
0
Max
91

WN 121 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 63%
Average Delay Time 24.424242424242426 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 42% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 24.424242424242426 min
This flight has an average delay of 24.424242424242426 minutes with a standard deviation of 21.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.

Other Stops for WN 121