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(WN) Southwest Airlines 4566 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
82%
Late
4
18%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
22
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
13
Standard Deviation
7.8
Min
0
Max
22

WN 4566 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 82%
Average Delay Time 13 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 86% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 13 min
This flight has an average delay of 13 minutes with a standard deviation of 7.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.

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