Fly91, also known as Just Udo Aviation Private Limited, is an Indian low-cost regional airline based in Ribandar, Goa. It operates from Manohar International Airport and aims to improve air connectivity to Tier 2 and Tier 3 cities, offering affordable travel options under India's UDAN scheme. The airline commenced commercial operations on March 18, 2024, with a focus on providing reliable service to underserved routes. Founded in January 2023 by aviation veterans Harsha Raghavan and Manoj Chacko, Fly91 has a leadership team experienced in various aspects of aviation. The airline operates ATR 72-600 turboprop aircraft, chosen for their fuel efficiency and suitability for short regional flights. By mid-2025, Fly91 plans to expand its network to 12 cities and operate over 3,500 flights, carrying more than 180,000 passengers. The airline emphasizes safe and efficient travel, partnering with IBS Software for dynamic pricing and reservations, and collaborating with Sarovar Hotels to enhance regional tourism.