During Aug 2019, a total of 760 passenger related complaints had been received by the scheduled domestic airlines, reveals Directorate General of Civil Aviation (DGCA). The number of complaints per 10,000 passengers carried for the month of Aug 2019 has been around 0.64. While Vistara received least number of complaints (only 1/10,000 pax), Air Deccan received the maximum complaints (86/10,000 pax).