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(WN) Southwest Airlines 1638 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(AUS) Austin-Bergstrom International Airport

Austin, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
8
50%
Late
1
6%
Very Late
3
19%
Excessive
4
25%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
16
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
80.54545454545455
Standard Deviation
99
Min
0
Max
274

WN 1638 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 50%
Average Delay Time 80.54545454545455 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 2% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 80.54545454545455 min
This flight has an average delay of 80.54545454545455 minutes with a standard deviation of 99 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.

Other Stops for WN 1638