Originally Posted by
Dr. HFH
AA TATL flights between London and the U.S. do not credit to BAEC unless they have a BA codeshare number.
Not just flights from London. Any transatlantic flight on AA including the ORD-DEL route.
Originally Posted by ba.com
British Airways Executive Club members will not earn or redeem miles or earn Tier Points on American Airlines operated transatlantic flights including services to India. BA Miles and Tier Points may be earned though miles may not be redeemed on all British Airways codeshare services operated by American Airlines when the booking is made under the BA code.