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(WN) Southwest Airlines 635 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(PWM) Portland International Jetport

Portland, ME, US

(BNA) Nashville International Airport

Nashville, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
6
86%
Late
0
0%
Very Late
0
0%
Excessive
1
14%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
7
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
35.333333333333336
Standard Deviation
52.6
Min
0
Max
96

WN 635 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 86%
Average Delay Time 35.333333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 68% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 35.333333333333336 min
This flight has an average delay of 35.333333333333336 minutes with a standard deviation of 52.6 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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