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(WN) Southwest Airlines 4156 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
13
62%
Late
1
5%
Very Late
4
19%
Excessive
3
14%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
21
Total Delays ( > 1 min )
14
Codeshares
0
Average Delay (min.)
42.642857142857146
Standard Deviation
72.4
Min
0
Max
286

WN 4156 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 62%
Average Delay Time 42.642857142857146 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 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 4% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 42.642857142857146 min
This flight has an average delay of 42.642857142857146 minutes with a standard deviation of 72.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

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