(WN) Southwest Airlines 866 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

78%

Late

11%

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

21.5

Standard Deviation

15.7

Min

Max

WN 866 On-Time Performance Details

Overall Rating

3.6 of 5

Good

Percentage On-Time 78%

Average Delay Time 21.5 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 70% of all other flights in the FlightStats database.

On-Time Performance Rating

3.5 of 5

Average

Percentage On-Time 78%

This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.

Delay Performance

3.6 of 5

Good

Average Delay Time 21.5 min

This flight has an average delay of 21.5 minutes with a standard deviation of 15.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.