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(WN) Southwest Airlines 399 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

(FAT) Fresno Yosemite International Airport

Fresno, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
79%
Late
1
7%
Very Late
2
14%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
14
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
23.25
Standard Deviation
13
Min
0
Max
38

WN 399 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 79%
Average Delay Time 23.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 59% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 23.25 min
This flight has an average delay of 23.25 minutes with a standard deviation of 13 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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