When your boarding group is called via a virtual queue system—most commonly used at Disney Parks for high-demand attractions like Guardians of the Galaxy: Cosmic Rewind or Tiana’s Bayou Adventure—you typically have a one-hour window to arrive at the attraction entrance. Once your group is "now boarding," you will receive a push notification through the official app (such as My Disney Experience or the Disneyland App). From that exact moment, your 60-minute countdown begins. It is important to monitor the app throughout the day, as boarding groups can move faster or slower depending on ride reliability and guest throughput. If you arrive slightly late due to a dining reservation or a lightning lane conflict, Cast Members are often understanding, but being significantly outside your window may result in being turned away. At Universal Studios, virtual line windows can vary but generally follow a similar one-hour return policy to ensure a steady flow of guests and to prevent the physical standby area from becoming overcrowded.