Originally Posted by
revigik
They're all fairly similar (LX is a bit better), but unless you are exceptionally bored I wouldn't go through security multiple times. Also the Publican Tavern in T3 is great!
I personally wasn't impressed with either the LX or SK lounges at the ORD T5. LX was too hot and SK was too small for its two flights. If flying UA, NH, or LH, I would just recommend sticking to the United Club. With perhaps a pause to grab a sandwich at Tortas Frontera.