Originally Posted by
Jagboi
I've read on other forums that cargo prices have tripled in the last 2 weeks, so there may be an economic case to run as cargo only. In that regard I read the 747-400 is the champion because of it's great carrying capacity, a passenger version can be run profitably with cargo only, no passengers on board.
77W has more belly capacity than a 744 and is cheaper to run.
https://en.wikipedia.org/wiki/Unit_load_device