Essentially, if you secure a boarding group, you'll be assigned a return window to come back and ride the attraction. Multiple rides use the VQ system in Disney World, and in our experience, we've been able to be late to our return window and still allowed on the ride.

If you miss your assigned boarding group time for TRON Lightcycle / Run at Magic Kingdom, the outcome depends on the current "strictness" of the Cast Members and the reason for your delay. Unlike Guardians of the Galaxy: Cosmic Rewind, which has historically been more lenient with late arrivals, TRON is notoriously strict due to its high demand and limited evening capacity (when the canopy lights are most popular). Generally, you are given a 1-hour grace period from the time your group is called. If you arrive after this window, your digital pass may "turn blue" (meaning expired) when scanned. If you have a legitimate excuse—such as being stuck on another ride that broke down or a dining reservation—Cast Members will often manually override the system and allow you to board. However, if you simply forgot or wanted to wait for the sun to go down for a "night ride," they may deny entry. To avoid disappointment in 2026, it is best to head to the attraction as soon as your phone notifies you that your group is "now boarding," as the virtual queue system is designed to manage flow and keep the physical line manageable.