background

(WN) Southwest Airlines 1639 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
72%
Late
2
7%
Very Late
2
7%
Excessive
4
14%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
29
Total Delays ( > 1 min )
14
Codeshares
0
Average Delay (min.)
31.571428571428573
Standard Deviation
26.9
Min
0
Max
75

WN 1639 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 72%
Average Delay Time 31.571428571428573 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 31.571428571428573 min
This flight has an average delay of 31.571428571428573 minutes with a standard deviation of 26.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

Other Stops for WN 1639