twice only passanger on a Beech 1900
TCB-MIA before the holidays when everyone was going to the island I was living on, and I was leaving it, and a year later MIA-TCB after the holidays, when I was the only person returning home, while everyone else was lined up to leave the island.
In both cases, Continental ran the flight with just me on it, because at the other end, there was a full load waiting