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(WN) Southwest Airlines 3957 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(SMF) Sacramento International Airport

Sacramento, CA, US

(PDX) Portland International Airport

Portland, OR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
16
62%
Late
3
12%
Very Late
2
8%
Excessive
5
19%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
52.69230769230769
Standard Deviation
56
Min
0
Max
190

WN 3957 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 62%
Average Delay Time 52.69230769230769 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 4% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 62%
This flight has an on-time performance of 62%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
0.4 of 5
Very Poor
Average Delay Time 52.69230769230769 min
This flight has an average delay of 52.69230769230769 minutes with a standard deviation of 56 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 8% of other flights.

Other Stops for WN 3957