Definition
An air traffic flow management procedure in which the FAA assigns specific departure times to flights bound for a destination airport that is experiencing arrival delays, congestion, or reduced capacity. By holding aircraft on the ground at their origin airports until a calculated wheels-up time, the system prevents airborne holding and meters traffic so arrivals match the receiving airport's acceptance rate.
Plain English
When a destination airport can't handle all the flights heading there, the FAA tells some flights to wait on the ground at their origin and gives them an exact time to take off, so they don't end up circling in the air burning fuel.
Context Anchor
Pilots may encounter this during flight planning, clearance delivery, or ground operations when traffic delays affect the planned departure time.
Why Pilots Care
Keeps departures spaced safely and reduces airborne holding or ground delays by matching capacity to demand.
Analogy
Like a restaurant that's full and tells waiting parties, 'Don't come over yet — we'll text you when your table is ready.' Better to wait comfortably outside than to crowd the lobby.
Grounding Statement
If the destination area is too busy, holding some aircraft on the ground can be safer and more efficient than letting them all take off and wait in the air.
Intuition Check
Controlled does not mean the airplane is being physically controlled by someone else. Here it means the departure timing is being managed by the air traffic system.
Example Sentence 1
Thunderstorms over the destination triggered a Controlled Departure Time Program, so the crew received a wheels-up time two hours after their original scheduled departure.
Example Sentence 2
During thunderstorm activity the tower activated Controlled Departure Time Programs to meter aircraft into the available airspace.