<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by IndustrialPatent:
Theoretically, yes, but in actuality -- since RJs serve flights/markets in which AA could not fill up an MD80, no.</font>
In actuality, yes.
The RJ flies some long legs and the MD80s, B737s, etc. fly some short legs. The AVERAGE stage length for the RJs is significantly shorter than the AVERAGE stage length for the mainline jets.