Here's a new wrinkle - the EU might require US/AA to give up a slot at LHR post-merger, for fear of the monopoly of the PHL-LHR route. Great news for PHL flyers, I'm guessing the most likely would be Delta (although they have the seasonal to CDG) but I'm hoping for Virgin (or as the article states they might even allow a fifth-freedom carrier so fingers and toes crossed for an Asian or Middle Eastern carrier (yes I know Qatar starts next year direct to Doha) - anything to improve the premium products out of Philly to Europe.
Article:
http://www.philly.com/philly/busines...ir_route_.html