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(WN) Southwest Airlines 277 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
53
91%
Late
2
3%
Very Late
1
2%
Excessive
1
2%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
29.875
Standard Deviation
45
Min
0
Max
138

WN 277 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 91%
Average Delay Time 29.875 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 78% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 29.875 min
This flight has an average delay of 29.875 minutes with a standard deviation of 45 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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