I’ll start this new one off…
5A. BDL-IAD on a US EM2 connecting to IAD-CMH on a UA J31.
5B. Seems that it’s CMH-XXX-YYY-ZZZ-MKE-ORD-AAA based on the description. Here’s what I’ve got to start.
CMH-CVG DL EM2
CVG-EVV DL EM2
EVV-IND US SF3
IND-MKE US SF3
MKE-ORD AA SF3
ORD-SPI UA EM2