There is a sharing agreement in place between pretty much all air carriers that allows off duty airline pilots to ride on the jumpseat to commute to work, if th

There is a sharing agreement in place between pretty much all air carriers that allows off duty airline pilots to ride on the jumpseat to commute to work, if there isn't space available in the cabin. It's quite common for instance for American Airlines pilots to ride on the jumpseat on say, Delta, to get to work. There's a whole host of unwritten rules and etiquette around the practice, but for all intents and purposes any airline pilot can ride on the jump seat of any airline to get to work.