Did a search of the archive, couldn't find much on a comparison of transatlantic services on *A. Going from YYC-LON via NYC, and looking to maximize miles, while riding in some sort of comfort in Y.

I'll offer this to start. Please disagree with me.

Coach:
1. AC
2. UA
3. SK
4. LH
[Not ranked: BD, OS, SK]

Thoughts?