Commercial air travel will serve just shy of 4 billion departures this year, with about 40 million flights. You are correct in the ratio (1:100) but I think yo

Commercial air travel will serve just shy of 4 billion departures this year, with about 40 million flights. You are correct in the ratio (1:100) but I think you mistook departures for flights and extrapolated 2 orders of magnitude too far.