Originally Posted by
Menko
If your time permits, the walk is well worth it and takes a leisurly 30 minutes discounting TSA check-in lines.
30 minutes? You could crawl from Concourse A to Concourse C in less than 30 minutes!
The walk from the far end of the A concourse (where UA's gates are) to the C security checkpoint takes no more than 10 minutes at a normal walking pace.
Greg