Checking into a hotel at 5:00 AM is technically possible but usually requires booking the room for the previous night. Standard hotel check-in times are typically between 3:00 PM and 4:00 PM; a 5:00 AM arrival is considered "extremely early" for the current day's cycle and "very late" for the previous night's. If you arrive at 5:00 AM without having booked the night before, your room will likely not be ready because the previous guest may still be sleeping in it. If the hotel happens to have an empty, clean room available, they may let you in for an "early check-in fee," but this is entirely at the manager's discretion and never guaranteed. In 2026, some business-focused hotels and airport locations offer "Hourly Stays" or "Day Use" rates that can accommodate a 5:00 AM arrival. For most travelers, the safest bet is to call the hotel 24 hours in advance to request an early arrival, or simply book the extra night to ensure a bed is waiting for you the moment you land.