‘Heck, Yeah, We Took It’: Business-Class Fliers Are Filching All That Fancy Airline Swag

The more extravagant the amenities, the harder it is for carriers to stop passengers walking off with duvets, memory-foam pillows and silverware

Alison Sider and

Andrew Tangel

June 13, 2018 10:50 a.m. ET

When Steve King jets across the Atlantic for work twice a month, he often comes back with souvenirs—from the plane.

At home, he sips brandy from his favorite British Airways glasses and his children curl up in premium Norwegian Air Shuttle blankets. Last year, British Airways began offering a soft, satin-edged blanket from the White Company, an upscale brand. Mr. King has three of them.

“I’m...