Go air has as of now 10 aircrafts in service with 11 in pipeline . Average age of the aircrafts is 1.5 years. It connects 19 airports in India. Kingfisher is a behemoth in comparison. Has 66 aircrafts on date , 130 in pipeline. Kingfisher has ushered in in-flight entertainment age in Domestic operations , fast luggage clearance , 80-90% on time departure records. Go air is recently faltering on the on-time departure count because of a marketing effort for Haj pilgrims . Take your pick . Cost is not the only factor you should finalise your choice I think .