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(WN) Southwest Airlines 3551 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-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
7
19%
Late
3
8%
Very Late
5
14%
Excessive
20
56%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
32
Codeshares
0
Average Delay (min.)
79.625
Standard Deviation
92.7
Min
0
Max
515

WN 3551 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 20%
Average Delay Time 79.625 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 20%
This flight has an on-time performance of 20%. 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
0.0 of 5
Very Poor
Average Delay Time 79.625 min
This flight has an average delay of 79.625 minutes with a standard deviation of 92.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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