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(WN) Southwest Airlines 621 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(HOU) Houston Hobby Airport

Houston, TX, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
4
50%
Late
0
0%
Very Late
1
13%
Excessive
3
38%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
8
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
83.5
Standard Deviation
44.9
Min
0
Max
130

WN 621 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 50%
Average Delay Time 83.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 1% 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
0.1 of 5
Very Poor
Average Delay Time 83.5 min
This flight has an average delay of 83.5 minutes with a standard deviation of 44.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.

Other Stops for WN 621