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(WN) Southwest Airlines 1240 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(MDW) Chicago Midway International Airport

Chicago, IL, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
36
73%
Late
2
4%
Very Late
3
6%
Excessive
8
16%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
49
Total Delays ( > 1 min )
25
Codeshares
0
Average Delay (min.)
37.8
Standard Deviation
38
Min
0
Max
119

WN 1240 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 74%
Average Delay Time 37.8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 27% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 37.8 min
This flight has an average delay of 37.8 minutes with a standard deviation of 38 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.