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(WN) Southwest Airlines 1255 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(BNA) Nashville International Airport

Nashville, TN, US

(CHS) Charleston International Airport

Charleston, SC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
41
72%
Late
6
11%
Very Late
3
5%
Excessive
5
9%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
24
Codeshares
0
Average Delay (min.)
29.666666666666668
Standard Deviation
33.7
Min
0
Max
143

WN 1255 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 73%
Average Delay Time 29.666666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 29.666666666666668 min
This flight has an average delay of 29.666666666666668 minutes with a standard deviation of 33.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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