Alongside the initial tequila rollout, June 1st will also mark the start of a culinary adventure at American Airlines as far as the carrier's economy class buy-on-board offering is concerned.

American Airlines offers one of the best premium economy upgrade options in the world. These seats are typically located behind the airline's business or first class, depending on the aircraft.

American Airlines' new Flagship Suite business class is set to enter service in June. Here's where you can fly it first. ... The 787s will feature new premium economy seats as well.

American had also made plans to retrofit 20 of its Boeing 777-300ER to include 70 Flagship Suite seats and 44 Premium Economy seats. Still, it could be a while before the suites become more widely ...