United Airlines plans to fly its last Boeing 747 ... of the tough task Boeing faces as it tries to keep its newest 747 model, the -8, aloft amid waning demand for four-engine aircraft.

It's the end of an era in domestic commercial aviation Tuesday, as United Airlines ... The 747 could be configured to carry 375 - 475 passengers or more, depending on the model, while the 777 ...

Chicago: United Airlines plans to fly its last Boeing 747 ... the tough task Boeing Co faces as it tries to keep its newest 747 model, the -8, aloft amid waning demand for four-engine aircraft.