background

(WN) Southwest Airlines 276 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(SAT) San Antonio International Airport

San Antonio, TX, US

(HOU) Houston Hobby Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
82%
Late
2
9%
Very Late
1
5%
Excessive
0
0%
Cancelled
1
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
22
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
14.5
Standard Deviation
9.9
Min
0
Max
30

WN 276 On-Time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 82%
Average Delay Time 14.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 74% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 14.5 min
This flight has an average delay of 14.5 minutes with a standard deviation of 9.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

Other Stops for WN 276