Covid-19 overhauls decades of aviation boom; a third of 50,000 routes shut

With borders effectively shut from Europe to New Zealand, the bulk of the world's dropped routes are inevitably cross-border

Before the coronavirus, a decades-long aviation boom spawned a network of nearly 50,000 air routes that traversed the world. In less than a year, the pandemic has wiped almost a third of them off the map.

Border closures, nationwide lockdowns and the fear of catching Covid-19 from fellow passengers have crippled commercial travel. As thousands of domestic and international connections disappear completely from airline timetables, the world has suddenly stopped shrinking.

The crisis is unwinding a vast social and industrial overhaul that took place during half a century of air-travel proliferation. In years to come, overseas business trips and holidays