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(WN) Southwest Airlines 643 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(BNA) Nashville International Airport

Nashville, TN, US

(SAV) Savannah-Hilton Head International Airport

Savannah, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
49
92%
Late
0
0%
Very Late
2
4%
Excessive
1
2%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
14.333333333333334
Standard Deviation
19.9
Min
0
Max
73

WN 643 On-Time Performance Details

Overall Rating
4.8 of 5
Very Good
Percentage On-Time 93%
Average Delay Time 14.333333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.8 shows that this flight has on-time performance characteristics better than 94% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 93%
This flight has an on-time performance of 93%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 14.333333333333334 min
This flight has an average delay of 14.333333333333334 minutes with a standard deviation of 19.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.

Other Stops for WN 643