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(WN) Southwest Airlines 623 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-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
3
75%
Late
1
25%
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
4
Total Delays ( > 1 min )
1
Codeshares
0
Average Delay (min.)
19
Standard Deviation
0
Min
0
Max
19

WN 623 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 75%
Average Delay Time 19 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
2.9 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 19 min
This flight has an average delay of 19 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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