Departure time is a commonly used term when it comes to traveling. It refers to the time when a mode of transportation, whether it is a flight, train, bus, or ship, is scheduled to leave. But there are other synonyms for departure time which are equally significant. "Take-off time" is one of the synonyms for departure time, which is used exclusively for flights. Another term is "boarding time," which refers to the time when passengers are permitted to board the vehicle. The term "departure schedule" also refers to the timings of all departures from a particular location. Other synonyms include "leaving time," "exit time," and "docking time." Knowing these synonyms can help travelers better understand the information provided by transport companies.