Most airlines also require passengers be at the boarding gate approximately 30 minutes before departure. As airport processing times vary, Delta's website suggests arriving at the airport three hours before international travel, while Virgin America recommends allowing two hours.
The film is projected with a movie projector onto a large projection screen at the front of the auditorium while the dialogue, sounds and music are played through a number of wall-mounted speakers. Since the 1970s, subwoofers have been used for low-pitched sounds.
Theatres did not arrive in the Times Square area until the early 1900s, and the Broadway theatres did not consolidate there until a large number of theatres were built around the square in the 1920s and 1930s. Broadway's first long-run musical was a 50-performance hit called The Elves in 1857.