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(WN) Southwest Airlines 1221 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(AUS) Austin-Bergstrom International Airport

Austin, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
85%
Late
1
8%
Very Late
0
0%
Excessive
1
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
13
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
15.666666666666666
Standard Deviation
18.7
Min
0
Max
48

WN 1221 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 85%
Average Delay Time 15.666666666666666 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.
On-Time Performance Rating
3.9 of 5
Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 79% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 15.666666666666666 min
This flight has an average delay of 15.666666666666666 minutes with a standard deviation of 18.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

Other Stops for WN 1221