Image courtesy of www. usui-misaki-sama.deviantart.com
Throughout the whole flight, neither said a word, not even a “Hi!” was exchanged. P totally ignored H and there was no indication that he even acknowledged her presence. Both behaved like strangers regardless of the past they shared.
Is P still hurting from what H did? Was it mere coincidence that they were both on the same flight? Was H hopeful that she would be able to make peace with him while they were abroad and away from the press? However, H did not visit P in the show anymore even if others anticipated her presence.