Originally Posted by Winston

Just an outsider looking in, but any idea why Delta continues to operate so many different types of narrow body? I get the merger as a main influence, but it seems like most other majors examine the combined fleet, then pick one or two and go with them for increased efficiency/flexibly.

Now you're adding the Cseries as well? Seems like that could have been covered by the 737-700 or the miniBus.