Originally Posted by
vicontt
It is actually impossible to book a group of more than 9 people via United website, one would have to call the united agent for the group of 10 if booking directly
It cannot be done in a single transaction but it certainly can be done (e.g. 2 PNRs with 5 people each). Usually it's a much better idea to go via the Group Desk for other reasons but if you really, really, want to book a group without dealing with humans "where there's a will there's a way"