Originally Posted by
dylanks
I would start with the form and nudge BAmissingavios only if that's not successful. And you're leaving PHX on one of our colder days of the year! PHX-PHL-DCA/BWI is a common route for me as well.
But which form to use? There is a form to claim missing avios with BA and/or partner airline. Are those better than the general form in the link in post #1?