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(WN) Southwest Airlines 4143 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(SJC) San Jose Mineta International Airport

San Jose, CA, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
45%
Late
3
10%
Very Late
5
16%
Excessive
8
26%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
31
Total Delays ( > 1 min )
20
Codeshares
0
Average Delay (min.)
51.15
Standard Deviation
49.7
Min
0
Max
213

WN 4143 On-Time Performance Details

Overall Rating
0.2 of 5
Very Poor
Percentage On-Time 45%
Average Delay Time 51.15 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.2 shows that this flight has on-time performance characteristics better than 2% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 45%
This flight has an on-time performance of 45%. 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
0.3 of 5
Very Poor
Average Delay Time 51.15 min
This flight has an average delay of 51.15 minutes with a standard deviation of 49.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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