Originally Posted by
will2288
I think it seems quite likely to work out just fine. Sure, IRROPS could mess up your routing, but I think there is no way the airline would know your friend used your boarding pass. Especially if the gender and age were close.
Twice in the past 12 months I (and the rest of the pax) have been asked to show ID as well a boarding pass for domestic flights. Once out of PHL, once from SEA. No idea how common the practice is, but it would definitely cause problems for the friend if his ID and boarding pass didn't match.