The holiday travel crunch is officially on. South Florida's airports will be packed with people heading over the river and through the woods to grandma's Thanksgiving dinner. Ft. Lauderdale-Hollywood International predicting some 800-thousand-travelers will pass through over the holiday period which ends Monday. Miami International expects 1.5-million passengers to pass through. Spokesman Greg Chin says arrive at least 2 hours before a domestic flight and 3 if it's international. He expects the busiest day to be Sunday on the return home. The Triple-A predicts 2.6-million Floridians will hit the road this Thanksgiving, which is 3-percent more than last year and the second-most since 2005.