background

(WN) Southwest Airlines 4187 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(PHL) Philadelphia International Airport

Philadelphia, PA, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
32
78%
Late
3
7%
Very Late
2
5%
Excessive
3
7%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
40
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
27.944444444444443
Standard Deviation
41.1
Min
0
Max
166

WN 4187 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 80%
Average Delay Time 27.944444444444443 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 78% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
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 86% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 27.944444444444443 min
This flight has an average delay of 27.944444444444443 minutes with a standard deviation of 41.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.