The problems that come from PHL are deep rooted, and mostly involve lack of leadership from management. Whether we like it or not, PHL is what it is, and the best way to fix it is to understand the mentality of the average agent.
The average agent who chooses a new career with US in PHL is young, undereducated, and comes from a broken home. The kids that are being enticed to work for $9.85/hr have grown up with no guidance or expectations from their parent/family, and because working for US is often their first real job, they consider it a social engagement rather than a career move. Management needs to recognize this fact first and foremost, and provide the proper guidance to mold and coach these employees to get the most out of them.
I worked in PHL for the better part of a year as a manager, and the first thing I noticed is that the agents want to do a good job, but they absolutely will NOT do that unless they are shown respect and given proper guidance. It's similar to a pack of dogs with no leader. If there is no leadership, the dogs will be social animals and will follow their natural instincts, ie the pack. If there is a strong pack leader (manager) willing to lead them, they will follow the example of the leader as long as they are respected by the leader.
There is a great deal of animosity between managers and agents in PHL, and most of the problems are caused by managers who are too aggressive with agents, and are not willing to put in the time to shape and properly coach the agents to realize their maximum potential. The hammer has been used far too often to correct behavior, when far less harmful tactics can be used to "manage" the behavior of the agents. When I departed from PHL, I had the respect of my agents, and they worked their butts off because I showed them the respect they deserved, and I provided the leadership they needed to succeed.