Frequent flyers on Delta, United, Air Canada and others can grab free silver or gold status on British Airways. It gives access to American Airlines perks including lounges.
Having visited the majority of the Heathrow Terminal 2 lounges, including five in one day last week, I am uniquely qualified to tell you which is best for you!
In Great Britain, where true high-speed rail remains the stuff of dreams (outside of Eurostar), point-to-point air and train services are often broadl.