Hi All,

i just wanted to check which baggage policy applies for my return flight this weekend (more notably the oversize rules).

my and the wife are flying YUL-PHL-ORD (all on AA) then ORD-LHR on BA,all on the same ticket and same day.

i know the rule is first airline for flights starting or ending in the UK. but would the above be the most significant carrier and I can follow the BA rules?

we are taking a chest from her family home here in Canada to our house in the UK and are working out which rules apply.

thanks