Maybe the old Heathrow terminals but the new Heathrow terminals are much better than most US airports I've been in. Most of my travel is to SFO, which is great

Maybe the old Heathrow terminals but the new Heathrow terminals are much better than most US airports I've been in. Most of my travel is to SFO, which is great by US standards but I've also been through Boston, Miami & Austin in the last year and the departure zones are pretty awful.