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(WN) Southwest Airlines 518 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(BNA) Nashville International Airport

Nashville, TN, US

(HOU) Houston Hobby Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
84%
Late
3
8%
Very Late
3
8%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
16
Codeshares
0
Average Delay (min.)
14.5625
Standard Deviation
12.3
Min
0
Max
39

WN 518 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 84%
Average Delay Time 14.5625 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 91% of all other flights in the FlightStats database.
On-Time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
4.6 of 5
Very Good
Average Delay Time 14.5625 min
This flight has an average delay of 14.5625 minutes with a standard deviation of 12.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 92% of other flights.

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