For a major US airline, a 30 year old plane would be among their oldest and near retirement. United Airlines has an older fleet by US standards and their oldest

For a major US airline, a 30 year old plane would be among their oldest and near retirement. United Airlines has an older fleet by US standards and their oldest airliner is 33 years old. For American Airlines, the oldest aircraft is 26 years old. Certainly, age is not the only factor. Flight hours and cycles matter as well when evaluating condition. https://www.planespotters.net/airline/American-Airlines https://www.planespotters.net/airline/American-Airlines https://www.planespotters.net/airline/United-Airlines https://www.planespotters.net/airline/United-Airlines