But an ATPL (airline transport pilot license) is hard and much more rare, unlike CPL it requires significant experience and training. Those are what you want for an airline. "Commercial pilot license" (CPL) is something that even I as a private pilot can rather easily add to my repertoire, it does not require much experience.

Some answers to the question "Difference between CPL and ATPL":

- https://www.quora.com/What-is-the-difference-between-CPL-and...

- https://www.reddit.com/r/flying/comments/18vzuj/can_someone_...

- https://www.pprune.org/archive/index.php/t-168050.html