I'm also late to the game, but I thought I would give it a try:
Arrive O'Hare airport Thursday 6:39pm
Return flight is from O'Hare at 2:00pm ...so the shuttle should probably leave before 11am (anytime is fine).
Many thanks,
Cynthia
Cynthia M. Paccacerqua
Assistant Professor of Philosophy
Department of History and Philosophy
The University of Texas - Pan American
Edinburg, TX 78503