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(WN) Southwest Airlines 4321 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(SMF) Sacramento International Airport

Sacramento, CA, US

(BUR) Hollywood Burbank Airport

Burbank, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
86%
Late
1
3%
Very Late
0
0%
Excessive
3
8%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
34.142857142857146
Standard Deviation
33.9
Min
0
Max
91

WN 4321 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 86%
Average Delay Time 34.142857142857146 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
4.7 of 5
Very Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 34.142857142857146 min
This flight has an average delay of 34.142857142857146 minutes with a standard deviation of 33.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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