(WN) Southwest Airlines 866 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)

On-Time

75%

Late

25%

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.)

Standard Deviation

Min

Max

WN 866 On-Time Performance Details

Overall Rating

2.8 of 5

Average

Percentage On-Time 75%

Average Delay Time 28 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.

On-Time Performance Rating

2.7 of 5

Average

Percentage On-Time 75%

This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.

Delay Performance

2.9 of 5

Average

Average Delay Time 28 min

This flight has an average delay of 28 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.