Regarding refunds, flight changes. I've had no issue with BA, flights to The US & Europe either changed with no fees and refunds processed in a few days during the pandemic. Yes, it took a while to get through but that can only be expected. People seem to forget that airport, airline staff go sick and office based staff, such as the call centre staff, were under the same working restrictions as others. Other airlines l had to correspond with such as a well known Middle Eastern carrier weren't so easy to deal with despite having a dedicated number etc and being a top tier 'guest'.