I don't know if 787s do short haul, but I do know there were 747s doing domestic flights in Japan, which are pretty much by any definition short haul flights, so I won't say it is impossible.
I don't know if 787s do short haul, but I do know there were 747s doing domestic flights in Japan, which are pretty much by any definition short haul flights, so I won't say it is impossible.