Judging from past threads, one might suppose that we 'favourable' people are resigned to wait until June or July if we are looking for a positive outcome. If we are not so favourable as to make it past the halving of the list after May 15th, then we will have our rejection somewhat sooner. It is my own belief that and LOI or two might help, but they are not too terribly effective.
It seems, however, that SDN is useless in terms of establishing hard and fast rules for the modus operandi of the AECOM adcom. Past threads evidence confusion about whether wait-listed candidates or emailed candidates (vis their degree of interest) have higher priority. Also, some threads suggest that acceptance off the waitlist has in some years been extremely rare, while others suggest ample movement (as the waitlist letter does itself). The sheer number of mutually exclusive conjectures posted previously makes me wary of drawing conclusions about our fate.
However, one prediction I am most ready to offer, which happens also to be less helpful than I'd like, is this :we will wait.
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Ceterum Censeo Carthaginem Delenda Est
Si vis pacem para bellum
eudaimonia awaits...
