If you cannot see the timetable properly then i am sorry but you are wrong Delhis Terminal  is now the Main Hub of Air India and is going to be connected to Hyderabad Chennai Kochi Ahmedabad apart from Amritsar Kolkata and Mumbai   AI  AhmedabadDelhi AI  AmritsarDelhi AI AmritsarDelhi Leg is on A DelhiToronto on Boeing ER AI  BanagloreDelhi AI  ChennaiDelhi AI  HyderabadDelhi AI HyderabadDelhi leg is on A DelhiChicago on Boeing ER AI  KochiDelhi AI  KolkataDelhi AI  MumbaiDelhi Except AI all the remaining MumbaiDelhi flights are on a A family aircraft it is from Delhi passengers board Boeing sAirbus As to go to Paris Hong Kong Osaka Shanghai  When we say these Cities are connected to Delhi They are operated on Airbus A family aircraft using Air India Callsign and Code  You dont always have references for each and every route you have to check the timetable and schedule