Is the shuttle service to the airport available at 4:30 am

I was told that the shuttle runs 24 hrs. In some cases you need to call for times and rotation.

I arrived at 6am and it was running, but I will suggest you to call them

Please check the site never had to use them at that hour. Go Online I believe they're under Way or Ways Parking if not Orlando Airport parking will bring them up. They have 2 parking lots.