I'm not an air expert, but I would guess that they're only including air hours, not taxiing, loading, unloading, etc. On a short-haul, 50k flights per year rou

I'm not an air expert, but I would guess that they're only including air hours, not taxiing, loading, unloading, etc. On a short-haul, 50k flights per year route, that's going to be a larger %age of each day.