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(WN) Southwest Airlines 1640 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-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
6
67%
Late
0
0%
Very Late
1
11%
Excessive
2
22%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
9
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
22.11111111111111
Standard Deviation
22.2
Min
1
Max
57

WN 1640 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 67%
Average Delay Time 22.11111111111111 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 22.11111111111111 min
This flight has an average delay of 22.11111111111111 minutes with a standard deviation of 22.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.