Originally Posted by
jpzeller
I've been questioned before entering the elite check-in queue at ORD from time to time, and the card comes in handy if one is not carrying a printed itinerary.
Oddly, though, I've never seen anyone checked at the nearby elite security queue.
I've been asked at ticket lines on occassion if I'm in F or J class, but I've never been asked for any proof when I say I'm elite.