I'm surprised they overrode that, especially with the need to re-clear security.

Recently, I tried to get a UA connection booked through ORD that was 4 minutes short of being a legal connection. No dice. I told the agent I was flying alone, no checked bags, and I have no problems walking quickly from one end of ORD to the other. Still - she wouldn't budge. I had to book the whole itin on AA...