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(WN) Southwest Airlines 157 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
94%
Late
0
0%
Very Late
0
0%
Excessive
1
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
18
Total Delays ( > 1 min )
2
Codeshares
0
Average Delay (min.)
27
Standard Deviation
25.5
Min
0
Max
45

WN 157 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 94%
Average Delay Time 27 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 76% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 94%
This flight has an on-time performance of 94%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 27 min
This flight has an average delay of 27 minutes with a standard deviation of 25.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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