The plane suddenly jolted shortly after takeover then felt like it was falling, said Stef Zamorano, who was flying to Las ...

By Wednesday evening, about 86% of all canceled flights in the U.S. were from Southwest, which scrubbed more than 2,500 flights Wednesday, according to tracking service Flight Aware.

Southwest Airlines is offering 30% off many summer and fall flights, but you have to book by 11:59 p.m. PT on Thursday to get the deals.