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(WN) Southwest Airlines 645 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(MDW) Chicago Midway International Airport

Chicago, IL, US

(RSW) Southwest Florida International Airport

Fort Myers, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
24
83%
Late
3
10%
Very Late
0
0%
Excessive
1
3%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
20.571428571428573
Standard Deviation
20.6
Min
0
Max
66

WN 645 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 86%
Average Delay Time 20.571428571428573 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 20.571428571428573 min
This flight has an average delay of 20.571428571428573 minutes with a standard deviation of 20.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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