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(WN) Southwest Airlines 3709 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

(MDW) Chicago Midway International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
10
34%
Late
4
14%
Very Late
4
14%
Excessive
9
31%
Cancelled
1
3%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
22
Codeshares
0
Average Delay (min.)
50
Standard Deviation
45.4
Min
0
Max
206

WN 3709 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 36%
Average Delay Time 50 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 3% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 36%
This flight has an on-time performance of 36%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.4 of 5
Very Poor
Average Delay Time 50 min
This flight has an average delay of 50 minutes with a standard deviation of 45.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 8% of other flights.

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