Originally Posted by
jsloan
If it becomes apparent that her flight will be affected, they'd be willing to move her to a DCA or IAD departure if she prefers; that'd give her more options to get to IAH. They generally won't do that in advance, though.
This is the best advice. But I note that pax's BWI-IAH flight is listed as on schedule, and the inbound plane is flying IAH-BWI and is listed as in the air and expected in early. So sticking with original flights seems the best choice.