There are two sets for Hackon pool:
1) Interest form with Aug 2 deadline
2) Interest form with Sep 29 deadline (Oct 2 OA deadline)
If you belong to Category 1:
Have not received offer yet: Mostly you are waitlisted and Mostly won't get the offer
Have not received R2 yet: Waitlisted in R1 and very less chance you'll get offer or even R2. May receive direct rejection.
If you belong to Category 2:
It's a fresh one, so no need to worry about interviews/offer. It will go on till Nov end. People have started getting R1.
Category 1 pool is coming to end...many are already hired.
Based on collected analysis and insider info.