Originally Posted by
blitzen
Theory Question
AA from TUS=LAX=LHR connecting to BA LHR-EU (one ticket)
Do I have any protection? EU 261 doesn't apply I think, but UK261 as BA flies out of the UK > if there is a problem on the TUS-LAX-LHR part which makes me disconnect to my LHR-EU flight will UK261 kick-in?
No, but you will still be protected -- by AA, as the late-delivering carrier on a single ticket. You might be rebooked to your final destination by AA on BA, or on some other carrier.