The UK flag carrier has a strong presence in Manchester, with the airline transporting 53,600 one-way passengers to North America from the airport via London Heathrow in 2019.
I’m very sure that if BA had a connecting flight to Heathrow from BHX (geographically not needed I know!) they’d be connecting more than 53,600 passengers to North America. Sadly there’s no real way of really measuring BHXs net transatlantic traffic when people are driving down to Heathrow
Exactly