Hello dear,
There is no such difference between this courses...
Mba in aiport Management is very niche Specialization and has ome limited opportunities in India with roles InAirpirt handling, Inflight Management, Cabin Crew and Logistics handling, Strategy analysis , Security manager.
Average salary is normalized at around 5lacs per annum.
MBA . Aviation is a two year specialized course and interested student must have completed their relevent bachelor degree or equivalent course with min 50% usually. MBA Aviationas helps to handle aspects such as ground handling, cargo, aviation safety, fleet management, fuelling management and other issues related to the aviation industry
CAREER PROSPECTUS after MBA aviation...

Manager  aviation industry
Airport Operations.
Aviation Security
Sales and Advertising.
Marketing and Communications
Customer Services.
Passenger Handling.
Airport Management.Test maanger- airline/airport
Deputy manager- airline contracting