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(WN) Southwest Airlines 1578 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(SJU) Luis Munoz Marin International Airport

San Juan, PR

(BNA) Nashville International Airport

Nashville, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
1
33%
Late
0
0%
Very Late
1
33%
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 )
3
Codeshares
0
Average Delay (min.)
34
Standard Deviation
19.7
Min
13
Max
52

WN 1578 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 33%
Average Delay Time 34 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% 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
2.7 of 5
Average
Average Delay Time 34 min
This flight has an average delay of 34 minutes with a standard deviation of 19.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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