background

(WN) Southwest Airlines 1643 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(HOU) Houston Hobby Airport

Houston, TX, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
75%
Late
1
8%
Very Late
0
0%
Excessive
2
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
12
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
99.75
Standard Deviation
102
Min
0
Max
219

WN 1643 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 75%
Average Delay Time 99.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 25% of all other flights in the FlightStats database.
On-Time Performance Rating
2.5 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 50% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 99.75 min
This flight has an average delay of 99.75 minutes with a standard deviation of 102 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

Other Stops for WN 1643