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(WN) Southwest Airlines 409 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(DEN) Denver International Airport

Denver, CO, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
16
59%
Late
4
15%
Very Late
2
7%
Excessive
4
15%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
55.36363636363637
Standard Deviation
47.3
Min
0
Max
135

WN 409 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 59%
Average Delay Time 55.36363636363637 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 5% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 59%
This flight has an on-time performance of 59%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 55.36363636363637 min
This flight has an average delay of 55.36363636363637 minutes with a standard deviation of 47.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.

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