Originally Posted by lamj

I have similar issue and book ticket without middle name while traveling on passport that has it (been doing it for my last 2-300 flights). CX, EU airlines and even the US airlines are OK with it. Only issue I ran into was with SQ, they were concerned about it and had to call a manager to "approve" it during check in. Think I show the check in agent a stack of used boarding pass all shown without my middle name and that encouraged her to let me thru.