Firing them off in sequence is the easy part, sequencing a busy arrival pattern takes a bit more skill but then again flow, melbourne centre and perth approach set all that up for the tower guys, all that remains is ".... clear to land.
Pretty sure that the revered flow et al don't get to involved in sequencing ccts between arrivals and departures. Not to mention the P.I.L.S
If everyone knows about the morning conga lines, why do they all persist in departing at the same time?
Ramp space? Performance measurements/guarantees? ****s & giggles?