(WN) Southwest Airlines 1252 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

On-Time Performance Chart

(using rounded numbers)

On-Time

82%

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.)

39.5

Standard Deviation

43.9

Min

Max

110

WN 1252 On-Time Performance Details

Overall Rating

2.8 of 5

Average

Percentage On-Time 82%

Average Delay Time 39.5 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 54% of all other flights in the FlightStats database.

On-Time Performance Rating

3.8 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 76% of other flights.

Delay Performance

1.7 of 5

Average

Average Delay Time 39.5 min

This flight has an average delay of 39.5 minutes with a standard deviation of 43.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.