I'm going to be flying into NRT and trying to decide what airline between ANA and LH. If I choose LH it'll be in business on the A380 and ill have plenty of time to catch my connecting flight to BKK. If I choose ANA it'll be first on a 77W but it'll only leave me 1h15min to catch my onward flight.

So is 1h15min enough to get through security and on to my TG flight? It will be first so I'd imagine I'd have de-planing first to my advantage but would I have an advantage at security as well?

Thanks in advance