Why are more travelers quitting their vacations early?

From work crises to homesickness, the triggers are more common than you think. Here's how to handle them.

It was supposed to be his first real vacation in years — a hiking trip to the Canadian Rockies. And then Erwin Gutenkunst got a call from the office.

“Shipments were stuck, and a project deadline was about to crash hard,” says Gutenkunst, who owns a building supply business in Marina del Rey, Calif. “I sat there looking out at these beautiful mountains, …