(WN) Southwest Airlines 1251 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

(BNA) Nashville International Airport

Nashville, TN, US

On-Time Performance Chart

(using rounded numbers)

On-Time

82%

Late

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.)

18.6

Standard Deviation

22.1

Min

Max

WN 1251 On-Time Performance Details

Overall Rating

4.4 of 5

Good

Percentage On-Time 82%

Average Delay Time 18.6 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 86% of all other flights in the FlightStats database.

On-Time Performance Rating

4.5 of 5

Good

Percentage On-Time 82%

This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.

Delay Performance

4.2 of 5

Good

Average Delay Time 18.6 min

This flight has an average delay of 18.6 minutes with a standard deviation of 22.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.