Nightmare scenario. We flew into MIA back in March with our then 2yo on his first plane trip. We were delayed in NJ so our supposed arrival time was pushed back to 9pm (DS' bed time is typically 8). We finally land and get to baggage and after 5 bags come out, it stops and the portal to outside is slammed shut on every carousel in the place. Initially we were told it was due to a VIP landing at the airport, but after 90 minutes the natives started getting restless and they had to tell us it was in fact POTUS. End result? Not getting my bags until 11:25pm. That was just a Miami trip, can't imagine if this happened on a WDW trip. Good luck, hope she's going anywhere you are not.