background

(WN) Southwest Airlines 1637 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(MDW) Chicago Midway International Airport

Chicago, IL, US

(HOU) Houston Hobby Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
4
80%
Late
1
20%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
5
Total Delays ( > 1 min )
2
Codeshares
0
Average Delay (min.)
15.5
Standard Deviation
14.8
Min
0
Max
26

WN 1637 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 80%
Average Delay Time 15.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 67% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 15.5 min
This flight has an average delay of 15.5 minutes with a standard deviation of 14.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

Other Stops for WN 1637