A refresher on business air-travel etiquette

The covid-19 pandemic has, thanks to Zoom, killed off many work trips. But not all of them. Some in-person meetings far afield are coming back. And so is business flying. Plenty of obvious edicts of air-travel etiquette are effortlessly acquired, along with air miles, merely by flying frequently. As a sophisticated traveller, you probably know the drill by heart. Still, air-rage incidents are up markedly compared with pre-pandemic times—by 50% in America and a whopping 200% in Britain. Some people could do with a refresher.