We do that any way to avoid the hassle of going through security check and such. A 1.5 hour flight might take up a total of 4 hours any way from:
1) The drive from home to the airport, plus
2) getting there early enough to go through security, plus
3) flying time, plus
4) at the end of the flight waiting to get off the plane and pick up luggage, plus
5) cab or uber ride to destination.
So if my wife and I can drive from home to the destination in 12 hours, and if flying would take 4 hours of our time, is it worth all the expense (for both of us) and hassle of flying to save us 8 hours?
I drive 12 hours one-way a couple times a year to visit my daughter. It is a nice drive, but a bit expensive in my truck. Still cheaper than a flight and the hassle. Well, unless you hit a deer and total your truck. :(