According to JetBlue BestFareFinder

 

Monday-Tuesday and Wednesday

To Orlando:   12-17-19=49

To Fort Lauderdale     14-10-17= 41

85 of 600 seats available =   85.80 % load

 

There are still some very good prices available the last few weeks of August and first couple weeks of September.  If you go to JetBlueBestFareFinder, you can still get some tickets.