You should not arrive earlier than the arrival time slot you selected during your Royal Caribbean app check-in. In 2026, Royal Caribbean strictly enforces "staggered arrivals" to manage terminal crowding and ensure a smooth boarding process. If your SetSail pass says 12:30 PM and you arrive at 10:00 AM, you will likely be asked to wait outside the terminal or in a secondary holding area until your window opens. The cruise line typically starts "boarding" around 11:00 AM for the earliest groups, but the terminal opens earlier specifically for those with priority status (Suite guests or Pinnacle Club members). If you arrive significantly early, you will be standing in the sun or a crowded lobby with no access to the ship’s food or amenities. Conversely, you must be checked in and onboard no later than 90 minutes before the scheduled sailing time. The "sweet spot" is arriving exactly 15 minutes before your scheduled window; this allows you to drop your luggage with the porters and walk through security just as your group is called, often getting you from the curb to the Windjammer buffet in under 30 minutes.