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(WN) Southwest Airlines 4857 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

(CMH) John Glenn Columbus International Airport

Columbus, OH, US

On-Time Performance Chart

(using rounded numbers)
On-Time
30
59%
Late
7
14%
Very Late
7
14%
Excessive
5
10%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
28
Codeshares
0
Average Delay (min.)
30.214285714285715
Standard Deviation
24.8
Min
0
Max
98

WN 4857 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 60%
Average Delay Time 30.214285714285715 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 32% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. 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
3.3 of 5
Average
Average Delay Time 30.214285714285715 min
This flight has an average delay of 30.214285714285715 minutes with a standard deviation of 24.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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