background

(WN) Southwest Airlines 3661 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(SMF) Sacramento International Airport

Sacramento, CA, US

(ONT) Ontario International Airport

Ontario, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
85%
Late
0
0%
Very Late
0
0%
Excessive
3
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
50.285714285714285
Standard Deviation
66.1
Min
0
Max
175

WN 3661 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 85%
Average Delay Time 50.285714285714285 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 53% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. 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
1.1 of 5
Poor
Average Delay Time 50.285714285714285 min
This flight has an average delay of 50.285714285714285 minutes with a standard deviation of 66.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

Other Stops for WN 3661