Loop Blue

How long does it take to get to O'Hare airport using the blue line coming from the loop?

I have a plane ride to take and I only have 2.5 hours to spare. I have to Get to O'Hare using the blue line and was wondering if anyone knows how long it takes to wait for the train and how long the train journey is? I come from the loop, I'm cutting close?

approximately an hour and a half and the abpout Geting it through security checkpoints in Ohare

Loop Blue

Loop Blue