Thanks again for all the thoughts. He seems worse this morning, so we're off to the pediatrician so they can take a peek at his ears and maybe give him an injection. He started coughing yesterday and seems fairly congested now, too. :/
Most likely we will postpone for a couple of days. We are flying on award tickets, so rescheduling shouldn't be too painful.
This is an elective trip for the boy and me; husband is going for business, and we're tagging along to see grandparents and enjoy LA. So getting well is definitely a bigger priority than the trip this time.
A double bummer, though, to have a sick boy and to possibly miss a chance to see the grandparents. Ah well. Toddlerhood isn't always sidewalk chalk and bubbles.