At ORD, terminals are huge but efficient—walk a loop for movement, grab a meal, then position yourself early since gates can be far.
We recommend you stay airside or airport-adjacent: O’Hare distances are large and weather delays are common, making short exits risky.
A quick downtown stop is possible via train if delays are minimal, but stick to one area and return early.
Pick a central neighborhood and enjoy the city at a steady pace. The Loop or River North are great bases for architecture walks, museums, and food. Public transit is efficient, but weather can affect timing, so plan flexible indoor options and avoid crossing the city multiple times.