Transatlantic flights take a different route each way because of the jet stream. Here is why the trip home runs longer and how the ocean tracks shift daily.
Cities abandon their airports when they outgrow them and cannot expand. Here is why old airports like Kai Tak and Stapleton close, and what replaces them.
The world’s busiest international flight route is Hong Kong to Taipei by seats, but Kuala Lumpur to Singapore wins by flights. Here is why they differ.
Why New York has three major airports: JFK, LaGuardia, and Newark exist because one metro this big needs them, split by geography, history, and airport rules.
Why airports are far from the city they’re named after: budget airlines market distant secondary fields under a big-city name, and major airports get built far out.
