[kjkjadksj]

You’d be surprised but there are still regional airlines. This is because a company like delta franchises some routes basically. You might go on a delta flight and ride on a delta plane, but the operating company is some almost unheard of regional one.

[organsnyder]

In many cases that's just to skirt around various regulations and union contracts.

[kjkjadksj]

I’d guess also you wouldn't have to handle the maintenance end of these smaller planes eg. your bombardiers and what have you if you’ve spun off all those flights