Delta Air Lines is dropping nonstop service to two Central American destinations from a key West Coast hub — but launching two new routes for the summer months. Starting in early May, the Atlanta-based carrier will end regularly-scheduled flights from Los Angeles International Airport (LAX) to both Guatemala City and San Salvador. Meanwhile, Delta is…

Southwest Airlines is getting set to completely overhaul its seating setup, with its first-ever assigned and extra-legroom seats officially launching next year. Even after the changes, though, passengers will still get an individual boarding number at check-in, the airline tells TPG. And, just as they do today, passengers will continue to line up at the…