> time it takes to travel being much shorter And that depends on how far you travel, of course: Fixed overhead for planes is around 2.5 hours (depending on ai

> time it takes to travel being much shorter And that depends on how far you travel, of course: Fixed overhead for planes is around 2.5 hours (depending on airport, etc.) for parking, travel to terminal, security, time to gate, 'deplaning', time from gate to ride/car. For Amtrak, that's about 40 minutes IME. Marginal time cost for distance is, of course, far less on a plane.