I just skimmed his history. It could be possible that Charles was sending them (them being Monica and her husband who has Dagger's powers) to meet with Jono as he picked up on whatever was happening there. We don't have her husband in play yet so he's kind of a passive NPC that is existing in the aether right now, but he has to be around for her to use her teleportation ability. If Xavier picked up on his family's panic and everything, they would have teleported there rather than flying there like normal human beings.