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(WN) Southwest Airlines 1559 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(DEN) Denver International Airport

Denver, CO, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
83%
Late
4
10%
Very Late
1
2%
Excessive
2
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
16
Codeshares
0
Average Delay (min.)
18.6875
Standard Deviation
19.3
Min
0
Max
63

WN 1559 On-Time Performance Details

Overall Rating
4.7 of 5
Very Good
Percentage On-Time 83%
Average Delay Time 18.6875 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.7 shows that this flight has on-time performance characteristics better than 92% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 18.6875 min
This flight has an average delay of 18.6875 minutes with a standard deviation of 19.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.

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