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(WN) Southwest Airlines 737 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(HOU) Houston Hobby Airport

Houston, TX, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
4
50%
Late
4
50%
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
8
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
15.5
Standard Deviation
5.8
Min
0
Max
20

WN 737 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 50%
Average Delay Time 15.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 3% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 15.5 min
This flight has an average delay of 15.5 minutes with a standard deviation of 5.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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