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(WN) Southwest Airlines 1637 On-Time Performance Rating

Date Range:

01-Sep-2025 to 31-Oct-2025

(MDW) Chicago Midway International Airport

Chicago, IL, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
24
92%
Late
0
0%
Very Late
1
4%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
14
Codeshares
0
Average Delay (min.)
12.071428571428571
Standard Deviation
21
Min
0
Max
76

WN 1637 On-Time Performance Details

Overall Rating
4.7 of 5
Very Good
Percentage On-Time 92%
Average Delay Time 12.071428571428571 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.7 shows that this flight has on-time performance characteristics better than 93% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 12.071428571428571 min
This flight has an average delay of 12.071428571428571 minutes with a standard deviation of 21 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.

Other Stops for WN 1637