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(WN) Southwest Airlines 1578 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(BOI) Boise Air Terminal

Boise, ID, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
65%
Late
1
6%
Very Late
1
6%
Excessive
4
24%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
76.375
Standard Deviation
73.9
Min
0
Max
198

WN 1578 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 65%
Average Delay Time 76.375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.
On-Time Performance Rating
1.1 of 5
Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 76.375 min
This flight has an average delay of 76.375 minutes with a standard deviation of 73.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

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