Originally Posted by
The Situation
No you would not be able to SDC/SDS in advance for such a short connection. Your only hope is that you arrive at the gate before the door closes and you ask if there are any seats left and if there are you should not have any issues getting on the flight.
I think OP is asking about SDCing to the super-long connection, and if successful, then hoping the first flight arrives early, and then standing by for the short connection.