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(WN) Southwest Airlines 4558 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

(BOI) Boise Air Terminal

Boise, ID, US

On-Time Performance Chart

(using rounded numbers)
On-Time
1
33%
Late
1
33%
Very Late
0
0%
Excessive
1
33%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
3
Total Delays ( > 1 min )
2
Codeshares
0
Average Delay (min.)
63.5
Standard Deviation
57.3
Min
0
Max
104

WN 4558 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 33%
Average Delay Time 63.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 33%
This flight has an on-time performance of 33%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 63.5 min
This flight has an average delay of 63.5 minutes with a standard deviation of 57.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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