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(WN) Southwest Airlines 4156 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(SAN) San Diego International Airport

San Diego, CA, US

(SMF) Sacramento International Airport

Sacramento, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
3
25%
Late
4
33%
Very Late
2
17%
Excessive
3
25%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
12
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
51
Standard Deviation
73
Min
0
Max
266

WN 4156 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 25%
Average Delay Time 51 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
0.0 of 5
Very Poor
Percentage On-Time 25%
This flight has an on-time performance of 25%. 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
0.6 of 5
Poor
Average Delay Time 51 min
This flight has an average delay of 51 minutes with a standard deviation of 73 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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