(WN) Southwest Airlines 478 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(MDW) Chicago Midway International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

60%

Late

Very Late

Excessive

40%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

52.333333333333336

Standard Deviation

35.9

Min

Max

WN 478 On-Time Performance Details

Overall Rating

1.1 of 5

Poor

Percentage On-Time 60%

Average Delay Time 52.333333333333336 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 20% of all other flights in the FlightStats database.

On-Time Performance Rating

0.9 of 5

Poor

Percentage On-Time 60%

This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.

Delay Performance

1.2 of 5

Poor

Average Delay Time 52.333333333333336 min

This flight has an average delay of 52.333333333333336 minutes with a standard deviation of 35.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.