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(WN) Southwest Airlines 551 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-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
19
50%
Late
9
24%
Very Late
3
8%
Excessive
7
18%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
38
Total Delays ( > 1 min )
27
Codeshares
0
Average Delay (min.)
40.7037037037037
Standard Deviation
55
Min
0
Max
254

WN 551 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 50%
Average Delay Time 40.7037037037037 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. 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
0.9 of 5
Poor
Average Delay Time 40.7037037037037 min
This flight has an average delay of 40.7037037037037 minutes with a standard deviation of 55 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

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