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(WN) Southwest Airlines 4574 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(BWI) Baltimore Washington International Airport

Baltimore, MD, US

(GSP) Greenville-Spartanburg International Airport

Greenville, SC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
85%
Late
0
0%
Very Late
1
4%
Excessive
1
4%
Cancelled
2
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
24.4
Standard Deviation
28.4
Min
0
Max
71

WN 4574 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 85%
Average Delay Time 24.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 81% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 24.4 min
This flight has an average delay of 24.4 minutes with a standard deviation of 28.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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