By Jena Greene The latest airline deal is huge — but it doesn’t involve a familiar household name. We may be in only month one of 2023, but the year has already been storied with countless travel fiascos. The year started with a holiday airline meltdown: Popular U.S. carrier Southwest Airlines (LUV) – Get Free Report left tens of thousands of passengers without flights. When all was said and done, Southwest had canceled or delayed about half its flights, which cost it an estimated $825 million in fees and other expenses. Southwest was certainly the headliner for flight troubles, but it wasn’t…