India, Dec. 6 -- IndiGo's nationwide disruption slightly improved but still lagged on Saturday, with more than 440 flights cancelled amid an escalating staffing and operations crisis that has left airports across major metros overwhelmed.

Delhi's Indira Gandhi International Airport, Mumbai's Chhatrapati Shivaji Maharaj International Airport and Bengaluru's Kempegowda International Airport, reported the one of the highest number of disruptions, as passengers faced long queues, hours-long delays and limited information. Follow IndiGo flight cancellations live updates

Since Tuesday, when the crisis spilled into public view, IndiGo has cancelled roughly 1,500 flights. The airline, which operates about 60% of India's domestic market, had alr...