(WN) Southwest Airlines 255 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

On-Time Performance Chart

(using rounded numbers)

On-Time

72%

Late

Very Late

Excessive

11%

Cancelled

11%

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

89.2

Standard Deviation

145.8

Min

Max

344

WN 255 On-Time Performance Details

Overall Rating

1.0 of 5

Poor

Percentage On-Time 72%

Average Delay Time 89.2 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.

On-Time Performance Rating

1.9 of 5

Average

Percentage On-Time 72%

This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.

Delay Performance

0.1 of 5

Very Poor

Average Delay Time 89.2 min

This flight has an average delay of 89.2 minutes with a standard deviation of 145.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.