Earlier today, BA cancelled a flight I had booked from LCY-EDI on March 26th, so I logged in to ba.com to see what flight options there are. So far, so not very interesting. I logged out and then went back some time later to check prices for a summer flight to the US but it still insists on displaying flights and prices for LCY-EDI. I've cleared recent searches, tried searching from different parts of the site, but it always shows the same route regardless of what I search for. Sticky cookie. This is Safari on a Mac.