Originally Posted by
cauchy
Haha yes! Depending on where your final destination is, personally I'd take business nonstop to Edinburgh, theres DL/UA/B6 JFK-EDI or BOS-EDI DL. It's not first, but business nonstop beats first + economy seat shorthaul connection.
It's a good point, but I don't think I agree 100% with your analysis. I have taken F+Y over J many times. Admittedly it is usually Y+F not F+Y.