By Bret Kenwell Airline stocks are on the mend, but are they about to experience more turbulence? Here’s the trade. when Covid-19 hit, the airline industry was one of the most disoriented and hardest-hit groups. While the pandemic wreaked havoc on consumers, and in supply chains in every sector, revenue in the travel industry more broadly evaporated seemingly overnight. Fast forward to January 2022 and Delta Air Lines (DAL) – Get Delta Air Lines, Inc. Report, United Airlines (UAL) – Get United Airlines Holdings, Inc. Report, American Airlines (AAL) – Get American Airlines Group, Inc. Report an…