Originally Posted by
Mwenenzi
You can back track as much as you like in continents. Your trip looks like doing the shortest flights. For example you can do LHR-LAX-JFK to get more frequent flyer miles. Direct flights are not always the best. Longer flights where you can sleep and flights with more civilised departure & arrival times are sometimes better choices
Mwenenzi, your post has a lot of good advice, but I'm not sure recommending LHR-LAX-JFK or "longer flights where you can sleep" is necessarily a good idea for someone travelling Economy.
(I've done LHR-LAX-IAD, but that was in F.)