The country's largest airline IndiGo cancelled more than 300 domestic and international flights at Delhi, Mumbai, Bengaluru, and other airports on Thursday, as operational disruptions continued for the third day, impacting the travel plans of hundreds of passengers.

A significant number of IndiGo flights were also delayed at various airports, as crew woes and adjustments to schedules weighed on the operations of the airline, which is known for its punctuality.

A day after its On Time Performance (OTP) or punctuality plunged to 19.7 per cent, the airline continued to grapple with flight disruptions, and sources said over 300 flights have been cancelled till afternoon.

Based on data from six key airports -- Delhi, Mumbai, Chennai, Kolkata, Bengaluru and Hyderabad -- IndiGo's OTP nosedived

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