[petronic]

Most restaurants don't even list their good timeslots on OpenTable, as they're capable of filling those on their own.

It's mostly used to list the less busy "collar hours" (the hours adjacent to any rush) in the hopes that an alternate means to advertising might flip an empty table to a populated table.

I'll avoid talking to a human to make a reservation if possible, but I've had dozens of occasions where OpenTable shows no available reservations at say, 7pm and a quick phone call is all it takes to land the time I'd like.