Originally Posted by
ben1979
The flight in question is on October 15th, and I looked on the AA timetable the later flight doesn't start until November...(if I read it correctly)
Didn't think about that. Either way, I'd still go with ORD. If you miss your connection, you can get out on the 9AM flight from ORD-LHR. If you miss your connection at DFW, you don't have another flight until 5:00PM...