And if you want to keep it really lean you could just put your name up and contract the work out to hungry cargo airlines.
Just what CNF had done a long time ago and is now doing again. After the forced grounding of its Emery unit at Dayton, the big boys in California discovered that more freight is now being moved with contractors Ryan Air, Express Net, Gemini, Arrow, Kitty Hawk...among others.
Ever see a big boss sitting behind an empty desk? It's because his company is so well organized that nothing ever reaches his desk.