On Sept 2nd, 2015, my husband and I took the BA flight from Phoenix to London. We had no bites prior to the flight. I noticed I was itching about 7 hours into the flight. When I deplaned, I pull my pant leg up and saw that I had 20 bites on my legs. My husband was itching and pulled his shirt up to reveal bites all over his sides and back.
This plane is infested with bed bugs or fleas. It's not the first time either---do a google search and you'll see this plane was pulled out of service and fumigated before. I have never had this happen on an airline before. Super bummed for other passengers that will be taking this route.