(WN) Southwest Airlines 1837 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(HRL) Harlingen Valley International Airport

Harlingen, TX, US

(HOU) Houston Hobby Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)

On-Time

100%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

Standard Deviation

2.6

Min

Max

WN 1837 On-Time Performance Details

Overall Rating

4.6 of 5

Very Good

Percentage On-Time 100%

Average Delay Time 4 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% of all other flights in the FlightStats database.

On-Time Performance Rating

4.9 of 5

Very Good

Percentage On-Time 100%

This flight has an on-time performance of 100%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.

Delay Performance

4.2 of 5

Good

Average Delay Time 4 min

This flight has an average delay of 4 minutes with a standard deviation of 2.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.