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(WN) Southwest Airlines 4056 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(SMF) Sacramento International Airport

Sacramento, CA, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
82%
Late
3
11%
Very Late
1
4%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
31.363636363636363
Standard Deviation
56.8
Min
0
Max
199

WN 4056 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 82%
Average Delay Time 31.363636363636363 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 69% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 31.363636363636363 min
This flight has an average delay of 31.363636363636363 minutes with a standard deviation of 56.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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