Originally Posted by
Seat 2A
17. Also in 1981, this air carrier was flying nonstop service between Merida (MID) and Chicago (ORD) once a week. Name the airline and the aircraft type.
Aircraft already confirmed as 722 so the airline is probably UA.
I believe that later in the 1980s UA had some sort of an ORD-CUN/CZM-ORD round-robin on a DC-8. Maybe they still served MID then.