The iconic Boeing 747 is headed for U.S. retirement this year.
United Airlines announced Wednesday that it will retire the humped 747-400 by October.
Delta is also planning to drop the venerable jumbo jet this year.
The 'Queen of the Skies,' as the plane was called, came along in the 1960s and enjoyed a high level of prestige for decades.
While 747s will officially leave scheduled U.S. airline fleets this year, a few will still be used by U.S. charter airlines.
Boeing has had trouble selling
[ the newest version of the jet ]
and says they may end production of that as well.
Airlines favor newer twin-engine wide-body aircraft like the Boeing 777, which burns 20% less fuel.
The most famous 747 of them all,
[ Air Force One ]
, will continue to carry U.S. presidents.