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(WN) Southwest Airlines 4221 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(ELP) El Paso International Airport

El Paso, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
1
100%
Late
0
0%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

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

WN 4221 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 100%
Average Delay Time 6 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 70% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 100%
This flight has an on-time performance of 100%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 6 min
This flight has an average delay of 6 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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