Originally Posted by
Austin787
1 ULCC: Spirit+Frontier+Allegiant
1 LCC: Southwest
1 Upscale LCC: Alaska+Virgin America+JetBlue+Hawaiian
3 Global airlines: American, United, and Delta
I see no reason other than nostalgia to classify Southwest as an LCC. Their cost basis is no longer lower than the remainign three hub-and-spoke legacies and their fares are often higher. We have a Big Four now, with a smattering of B-tier carriers, some LCC, some not.