Originally Posted by
vandrei
[Update 18:18 ET 09.30.2014: I think I know why fares have dropped, and it's likely to the first confirmed case of Ebola in Dallas today.]
Too lazy right now to double check if anyone else has posted this but, it looks like UA and AA are "competing" on IAD-DFW.
I doubt it AA/US been showing $135 RT between PHX-DFW for well over a month.