Need to fly to Scotland in July, passport expired 2018; I'm worried due to current delays - as are many others of course - but this is an internal flight in the UK. Easy Jet say just use your old passport if its expired in the last 5 years (booked outward flight). British Airways (booked return flight) say they know its not a legal requirement but they reckon I will be dragged through the airport screaming if I don't have a valid passport. I don't have a photo driving licence before anyone asks.
Should I risk it and send off for a new one or should I risk it and hold on to my old one?