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(WN) Southwest Airlines 1637 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-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
29
85%
Late
2
6%
Very Late
0
0%
Excessive
3
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
16
Codeshares
0
Average Delay (min.)
31.5625
Standard Deviation
67.4
Min
0
Max
268

WN 1637 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 85%
Average Delay Time 31.5625 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 77% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 31.5625 min
This flight has an average delay of 31.5625 minutes with a standard deviation of 67.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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