I flew out of ORD on Sunday 17 Sept. The lounge had a "closed for renovations" sign. It also instructed passengers to go to the Swiss lounge (on the other side of the terminal). Upon arrival, the Swiss lounge had been closed as of 19:00 (I was there at 20:00).

Disappointing, to say the least. And the agents at check-in did not say a word to me about it. And no indication as to when the ORD lounge will return...