Im curious sbout investing in the airline opportunity long term

Ive recently started seriously looking into investing for wealth generation, and its really opened up something inside me sbout how much I enjoy learning about investing / stocks / bonds / ETFs / etc...im pretty conservative and doing all the standard and prudent things as I work towards building wealth for my families future. I was just curious to know how people look at the future of air travel and long term growth. Honestly, it just started out because im kinda a nerd about planes and flying