Taking flight from BA as it washes its hands of our problems

No compensation after delays, lost luggage and no premium economy seatsI booked premium economy return flights with British Airways from Manchester to Mexico City via Heathrow. Unfortunately, due to fog and because a passenger decided not to fly, the Manchester flight was delayed so I missed my flight from Heathrow to Mexico City. British Airways rebooked me on an Iberia flight to Madrid, but this was also delayed so I had to stay in a hotel in Madrid overnight. I got a lunchtime flight the next