Originally Posted by
CApreppie
For example: I select UA US customized and hit Charleston (CHS) and it only shows one route: CHS-CLT. I know that United flies there from IAD and ORD, but they do not show up.
Routes to IAD and ORD are now flown by regional subsidiaries. To display them, enable the codeshares button on the toolbar (in the data I have, it is not possible to differentiate between regional subsidiaries and codeshares with other airlines).