India, Nov. 7 -- I had forty minutes between flights and two terminals to cross. It felt like a marathon inside Delhi's T3. I was that person sprinting with a trolley bag, dodging slow walkers and scanning gate signs. Then I realised my biggest obstacle wasn't the distance, it was the travelator. Yet, most travellers treat them like free conveyor belts to nowhere. These walkways are meant to help you walk faster, not serve as moving rest zones. Why spend precious minutes crawling along when you could be halfway to your gate?

There's a simple etiquette that keeps airports flowing smoothly. If you've got hours till your next flight, stand on the right. But if you see someone rushing behind you, let them pass. Airports could be far less cha...