Originally Posted by
Inselhuepfer
I went through the same procedure a couple of years ago and I used My Flight Path in my BA Account as this lists all flights taken on BA going back to 2001. Unfortunately I still had to transfer this information to a Word document which I attached to my application at the time as I ran out of space on the form.
Good Luck!
Only works if all your flights are with BA or OW. And if redemption flights, they post also albeit with 0 Avios and 0 TPs.