Originally Posted by
craigthemif
It depends on when the aircraft allocation occurs. If you are booking for March 2020 you'll have to wait awhile. If you are booking for summer 2019, then IB already know which aircraft will be operating the routes and you should be able to choose a seat right after booking.
Are you sure? On the A340 from LHR to MAD in July this year .I have a BA PNR and IB PNR and frustratingly the IB website let's you get to choose seat allocation in Business then concluded "seat selection is not available on this flight"!!! For why? What nonsense from IB they are so frustrating!