CNN: Your next flight may be on a very old airplane and you probably won’t know

Your next flight may be on a very old airplane and you probably won’t know

Step aboard a Boeing 767 operated by United Airlines and you’ll encounter the carrier’s very latest cabin comfort experiences — a smart foyer with gray walls and the rich blue United globe logo, rows of Polaris business-class suites, a dark purple premium economy section and blue economy seats equipped with the latest inflight entertainment systems.

Your next flight may be on a very old airplane and you probably won’t know it

Supply shortages and high costs are extending aircraft lifespans, with carriers refurbishing cabins and relying on maintenance to keep aging jets comfortable and in regular service.