background

(WN) Southwest Airlines 4430 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(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
9
41%
Late
6
27%
Very Late
3
14%
Excessive
4
18%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
22
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
33.77777777777778
Standard Deviation
32.2
Min
0
Max
116

WN 4430 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 41%
Average Delay Time 33.77777777777778 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 18% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 41%
This flight has an on-time performance of 41%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 33.77777777777778 min
This flight has an average delay of 33.77777777777778 minutes with a standard deviation of 32.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

Other Stops for WN 4430