Sometimes you don’t have to re-check your bags. Some US airports and airlines are like that for some flights (e.g. international delta flight to Detroit and th

Sometimes you don’t have to re-check your bags. Some US airports and airlines are like that for some flights (e.g. international delta flight to Detroit and then onward to Canada). Finally US customs figured that there’s less to worry about if you just hold onto my bags instead of forcing me to pick them up.