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(WN) Southwest Airlines 1255 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-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
11
41%
Late
7
26%
Very Late
4
15%
Excessive
4
15%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
20
Codeshares
0
Average Delay (min.)
32.2
Standard Deviation
29.8
Min
0
Max
122

WN 1255 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 41%
Average Delay Time 32.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 26% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 41%
This flight has an on-time performance of 41%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 32.2 min
This flight has an average delay of 32.2 minutes with a standard deviation of 29.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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