B206/23
AIR TRAFFIC FLOW MANAGEMENT GROUND DELAY PROGRAM ACT
ALL FIXED WING NON-PRIORITY FLIGHTS DEPARTING FROM ALL AUSTRALIAN
AIRPORTS ARE REQUIRED TO OBTAIN A CALCULATED OFF BLOCKS TIME (COBT)
FOR ARRIVAL INTO MELBOURNE
FROM 12 101900 TO 12 111600
YMML GDP Total ground delay = 24,407 minutes, average delay 91.40 minutes. GDP until 3am Tuesday, extraordinary.