• “Planned”
  More than H:M hours:minutes before AircraftGroundMovementPlannedStartTime. H:M is airport-specific.

• “Pending”
  Less than H:M before AircraftGroundMovementPlannedStartTime. H:M is airport-specific.

• “Active”
  The AircraftGroundMovement has been activated by the responsible authority. This occurs at or before AircraftGroundMovementActualStartTime and is expected near AircraftGroundMovementPlannedStartTime.

• “Finished”
  The aircraft is at AircraftGroundMovementTo.

• “Canceled”
  The AircraftGroundMovement was planned but has been canceled.

• “Deleted”
  The AircraftGroundMovement was planned but has been deleted. The usage of Canceled and Deleted is airport-specific. Typical usage is canceling movements planned within a given period, and just deleting them before that.

Additional status values might be defined.