Exit row seating for Sapphire members is detailed on the BA website at
https://www.britishairways.com/en-us...ving-your-seat
Silver/oneworld Sapphire Free seat selection from the time of booking for everyone in your booking*.
The * refers to footnote
Exit row seats are not available to Silver or Bronze Members on long haul flights until 24 hours before departure.
Exit row seats are available to Blue Members as a paid seat selection.
On some occasions, exit rows seats on short haul flights may not be available in advance due to operational reasons