(WN) Southwest Airlines 4221 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(ELP) El Paso International Airport

El Paso, TX, US

(AUS) Austin-Bergstrom International Airport

Austin, TX, US

On-Time Performance Chart

(using rounded numbers)

On-Time

78%

Late

11%

Very Late

11%

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

Standard Deviation

13.6

Min

Max

WN 4221 On-Time Performance Details

Overall Rating

3.9 of 5

Good

Percentage On-Time 78%

Average Delay Time 16 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 76% of all other flights in the FlightStats database.

On-Time Performance Rating

3.5 of 5

Average

Percentage On-Time 78%

This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.

Delay Performance

4.2 of 5

Good

Average Delay Time 16 min

This flight has an average delay of 16 minutes with a standard deviation of 13.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.