Which is probably correct if you could get the E-175 up to FL370-410. However, we've so far been lucky to get these aircraft up to FL360.

Today as an example:

SLC/ORD E-175 FL330 Burn:10565#
SLC/ORD CRJ-7 FL390 Burn: 8326#
SLC/ORD CRJ-9 FL370 Burn: 8957#