(WN) Southwest Airlines 1266 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(MDW) Chicago Midway International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

22%

Late

26%

Very Late

22%

Excessive

22%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

57.611111111111114

Standard Deviation

70.4

Min

Max

283

WN 1266 On-Time Performance Details

Overall Rating

0.1 of 5

Very Poor

Percentage On-Time 23%

Average Delay Time 57.611111111111114 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 23%

This flight has an on-time performance of 23%. 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

0.1 of 5

Very Poor

Average Delay Time 57.611111111111114 min

This flight has an average delay of 57.611111111111114 minutes with a standard deviation of 70.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.