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(WN) Southwest Airlines 4143 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(AUS) Austin-Bergstrom International Airport

Austin, TX, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
26%
Late
16
38%
Very Late
8
19%
Excessive
7
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
39
Codeshares
0
Average Delay (min.)
29.615384615384617
Standard Deviation
20.3
Min
0
Max
78

WN 4143 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 26%
Average Delay Time 29.615384615384617 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 26%
This flight has an on-time performance of 26%. 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
4.1 of 5
Good
Average Delay Time 29.615384615384617 min
This flight has an average delay of 29.615384615384617 minutes with a standard deviation of 20.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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