You'll probably have a better chance asking during flight about a visit upon landing when the flight crew will be not occupied with preflight operations and seen as less of a potential security risk.
Originally Posted by
brewdog11
Some friends and I have an upcoming flight on ANA, and we're wondering if the cabin crew would allow us to visit the cockpit before departure. I've been curious to see the 787's flight deck, so I'd very much appreciate a visit. I've heard that Japanese airlines don't allow this sort of thing, so I wanted to make sure first. Would it be worth it to talk to the purser or another member of the cabin crew about this?