Odd. I booked on AA and have 1 leg on J from MAD - LHR. 2nd leg going LHR - JFK with seats selected. I have both AA and BA locator #s. Logged onto BA.com for the 1st leg and the check in / seat selection never went through. Just asking me to enter passport info etc. It's within 12 hours of departure, still can't select seats or check in. Is this normal?