I think you are wrong and will see many more pilots retire at 60. There is a substantial pension penalty to leave before 60, but not much financial advantage to stay past. Our frozen pension will help move our older pilots out the door.
Not as much as you think. Most senior NWA guys are Green Book and their DP is based on narrow body pay. Take my case, when I get to 60 in 2012 the pay on my eq will be 231$ with the international override. With minimal effort i can see making 220/240 per year on what is basically a part time job of 9 to 11 days a month . My DP retirement will be about 120$ per year. The penalty you speak of is minuscule and considering I wouldn't have had any employee contribution to my retirement for the last 6 years like say some friends in other profession I am thinking of staying...