The standard check-in time at the MGM Grand allows the hotel staff time to prepare your room. MGM Grand’s standard check-in time is 3 PM, but you can arrive earlier or request an early check-in to get your room assignment. What’s the Standard Check-In Time at MGM Grand? Nevertheless, you can participate in many exciting activities throughout Las Vegas and explore the city to make the most of your time before checking in. However, if the hotel’s occupancy rates are high due to being in the peak season or if there are any special events, the hotel might not grant you early check-in. Since it’s one of the largest hotels in Las Vegas, the MGM Grand wants to accommodate as many guests as possible. Therefore, the MGM Grand allows early check-in requests. Flights can arrive early in the morning, or people simply want an early start on their vacation. It’s common for people to arrive early in Las Vegas before their room is ready. Conclusion Does the MGM Grand Allow Early Check-Ins?.What To Do if Your Early Check-In Request Is Denied.How To Request Early Check-In at the MGM Grand.Does the MGM Grand Allow Early Check-Ins?.In this article, we'll tell you about: Toggle