http://www.brfares.com/#faredetail?orig=INV&dest=1072&tkt=SSU This is a fare that I'm offered by journey planners on the 0755 direct LNER service from Inverness to King's Cross. It's not offered on any other connections (scotrail to edinburgh then LNER to London). But when I look up the restrictions I don't see anything that prevents me from using any other service, as long as it doesn't arrive into London in the morning. It doesn't seem to say anything about LNER services only. Am I missing or overlooking something here?