I highly recommend the parking at the Sonesta Nashville Airport. Have parked there twice before (last time was in Sept. 2024) and have a reservation for next week (August 2025). Friendly desk personnel and shuttle driver (same one on two trips). Price is very fair. Shuttle runs regularly. Only downside is that the shuttle pick up area at the airport is (seemingly) a mile from baggage claim, but that's not AirportParkingInc's fault.