I was trying to book a flight, connecting in dfw, to las. Two flights came up (dep. 30 min apart), one had a note "terminal change". What does this mean? I looked at a map of dfw and all terminals A-E are linked with the skylink(train) system, and how would aa know (6 months out) that my arriving flight would not be from the same terminal I am departing?
[PS: (1) On aa.com, when one does a search for dallas or dfw, nothing comes up--I went to dfw's airport page on the internet to see the airport map. (2) On such a heavily traveled route, why would aa place two flights from dfw to las almost back to back?]