Originally Posted by Qotsaautopilot

Where did this 300 tails and PBS come from? As far as I know it was made up on here. Airlines smaller than us have PBS so I doubt it only has efficiency at 300 planes. Not to mention, airlines with multiple fleets are basically airlines within airlines and they use pbs on fleets with less than 300 tails. I’d bet every fleet at United except the 737 has less than 300