(WN) Southwest Airlines 4087 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(MDW) Chicago Midway International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

76%

Late

12%

Very Late

12%

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

17.4

Standard Deviation

12.8

Min

Max

WN 4087 On-Time Performance Details

Overall Rating

3.7 of 5

Good

Percentage On-Time 77%

Average Delay Time 17.4 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.7 shows that this flight has on-time performance characteristics better than 72% of all other flights in the FlightStats database.

On-Time Performance Rating

3.1 of 5

Average

Percentage On-Time 77%

This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.

Delay Performance

4.2 of 5

Good

Average Delay Time 17.4 min

This flight has an average delay of 17.4 minutes with a standard deviation of 12.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.