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(WN) Southwest Airlines 3873 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(SAT) San Antonio International Airport

San Antonio, TX, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
6
100%
Late
0
0%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
6
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
6
Standard Deviation
5.9
Min
0
Max
14

WN 3873 On-Time Performance Details

Overall Rating
4.5 of 5
Good
Percentage On-Time 100%
Average Delay Time 6 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 88% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 100%
This flight has an on-time performance of 100%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 6 min
This flight has an average delay of 6 minutes with a standard deviation of 5.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.

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