Originally Posted by
JimInOhio
It looks like AUS to ORD are all mainline aircraft which means B or C gates. Fifty seven minutes is doable especially since flights generally arrive early in decent weather. Are you on the early or late LHR flight? If the early one, in the odd chance you miss it you still have another a couple hours or so later.
UA has started flying a very small number of mainline flights out of T2. My most recent ORD-AUS flight was out of E8.
OP: 57 minutes is tight, but not impossible, if you do end up unlucky enough to arrive into E/F.