[QUOTE=rvfanatic;3397838…….United guys tend to enjoy their job more and stay until 65.[/QUOTE]

Really, “enjoy their job more”.
More than likely because UPS ( FedEx) still have an A Plan that pays out $132,000/yr.

After 9/11 and the bankruptcies, the pax carriers got rid of their A Plans & guys need to work longer in order to live large in retirement.