Originally Posted by dliesse

11. (1992) You're flying from Minneapolis to Ponce, Puerto Rico. You’re about to board the first of two all-economy configured aircraft, each operated by a different airline, which will fly you to Ponce today. Each flight will make one enroute stop. And, each flight will be operated by the exact same type of jet (i.e. make and variant) So – please identify both airlines, the complete routing, and the aircraft type common to both flights.

Okay, back to #11 where we're looking for an airline flying MSP-MDW-EWR with a 72S in all-economy configuration. The only viable candidate I can come up with is Arrow Air, although I'm not sure they served MSP.

Alas, you did not hit the bullseye with Arrow Air, but allow me to offer a hint:

Alphabetically, Arrow Air is very close to the airline we're looking for...