Your flight will get you to Kona somewhere around noon. Get your car. Go to the Fish Hopper for lunch and a nice view of the harbor.
If you arrive on a Wednesday (pretty sure), the harbor view at the Fish Hopper is very picturesque with the cruise ship anchored there.
Go to your condo or hotel and relax.
The next morning, go to Ulu Grill for their breakfast buffet.
Just tell the guard at the entrance to the resort (unless you're already staying there) you're going to breakfast. Your Ulu tableside view is the quintessential view of paradise. The buffet is more than Denny's but it really is a fantastic way to start your vacation.
There are lots of VRBO or AirBnB condos to chose from, but you might be late getting a nice one. We prefer condos over hotels. I see the week of Feb 24th is open at a favorite oceanfront condo we stay at. If condo's are your preference the nice ones get booked fast.