Originally Posted by
danielonn
Quite frankly the OP needed to have listened for announcements of the new boarding time and check the Flight Information Displays. I am sorry but they would have announced that your delayed flight was boarding.
Did you read the OP?

OP clearly states:
Originally Posted by
frugaltraveler10012
No announcement was made in the admirals club and I was monitoring the departure screen in the lounge which never even showed that the delayed flight was boarding.
The only remedy in this situation would have been to stay at the gate.