FAA Delay Codes

A traffic management initiative where aircraft are held at their departure airports to manage congestion at the arrival airport.

A complete halt of all departures to a specific airport, typically due to weather, equipment failure, or volume.

A traffic management initiative that manages the flow of aircraft through a constrained area of airspace.

The time a flight is expected to receive departure clearance, used during ground delay programs.

Allows airlines to choose from multiple route options when airspace is constrained.

Spacing restrictions requiring minimum distance between aircraft on the same route.

A procedure requiring controllers to call for specific departure time approval.

Standard format for reporting weather observations at airports, updated hourly or more frequently.

Weather forecast specific to an airport area, covering a 24-30 hour period.

A notice containing information about hazards, changes, or conditions at an airport or in airspace.

Organization that assigns 3-letter airport codes (e.g., LAX, JFK) and 2-letter airline codes.

UN agency that assigns 4-letter airport codes (e.g., KLAX, KJFK) and 3-letter airline codes.

US federal agency responsible for customs, immigration, and border security at ports of entry.

US federal agency responsible for airport security screening of passengers and baggage.

US government agency responsible for regulating civil aviation and managing national airspace.

Service that manages aircraft movement on the ground and in the air to prevent collisions.