A friend who organises trips and events (but isn't a travel agent) has asked me to help her develop an email template that will be recognised by iOS calendar as having flight details, etc to add to calendar. There doesn't seem to be any guidance from Apple on this at all. (Some airline—e.g. Cathay Pacific, Qatar—itineraries are also not recognised as having flight events, nor do itineraries from Kayak, so clearly there are formatting requirements that they are also not following.) Does anybody have any experience of this who could offer some guidance please? I'm thinking along the lines of flags in the HTML template, and finding a distribution platform that doesn't alter the HTML in such a way that iOS won't then recognise it.
