Originally Posted by
fruitcage
As often advised here, I did my own research on availability, and phoned BA who rebooked us onto the QR flights I suggested. It took a couple of tries- the BA agent could not see some of the seats that seemed to be available on Google flights, presumably because I was too slow and they had been taken.
Google flights scrapes availability from a lot of sources so isn’t always accurate. Expert flyer is best for these situations as it will reflect what the call centre can see.