background

(WN) Southwest Airlines 1521 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(MDW) Chicago Midway International Airport

Chicago, IL, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
25
76%
Late
4
12%
Very Late
1
3%
Excessive
3
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
31.333333333333332
Standard Deviation
30.8
Min
0
Max
90

WN 1521 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 76%
Average Delay Time 31.333333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
1.5 of 5
Poor
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 31.333333333333332 min
This flight has an average delay of 31.333333333333332 minutes with a standard deviation of 30.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

Other Stops for WN 1521