The monorail will take you right to Mandalay Bay in around 3 minutes if you start at the Excalibur main station. Starting in Mandalay Bay, the trip to the Luxor and Excalibur will take roughly seven minutes. Trains depart from the express tram every 3 to 7 minutes, and it is open every day from 9 a.m. to 10:30 p.m.