Summary (tl;dr)

IndiGo, India's largest airline, has cancelled over 1,000 flights nationwide on December 5, 2025, due to "misjudgment and planning gaps" in implementing new pilot duty time regulations, leading to widespread travel chaos.

Essential Background

In April 2025, a court order led to the introduction of new Flight Duty Time Limitations (FDTL) rules, mandating longer rest periods for pilots and tightening crew scheduling norms. These new regulations, which significantly increase pilot rest requirements and limit night operations, were implemented in two phases, with the second phase coming into effect on November 1, 2025. Despite having months to prepare, IndiGo reportedly underestimated the increased crew requirements needed to comply with these revised norms.

The Full Story

On Friday, December 5, 2025, IndiGo cancelled more than 1,000 flights across India, including all domestic departures from Delhi Airport, in an attempt to "reboot its systems and schedules" and address cascading delays that had built up over several days. The airline's CEO, Pieter Elbers, apologized for the severe inconvenience, attributing the disruptions to "misjudgment and planning gaps" in adapting to the new FDTL rules. Thousands of passengers were left stranded at major airports, facing long waits and a surge in airfares. In response, the Directorate General of Civil Aviation (DGCA) temporarily granted IndiGo exemptions from certain night duty restrictions for pilots until February 10, 2026, to help stabilize operations. Concurrently, the Ministry of Civil Aviation has ordered a high-level inquiry into the disruptions, and the DGCA has formed a four-member committee to investigate the airline's preparedness and identify accountability. IndiGo anticipates operations will normalize between December 10 and 15, 2025.

Why It Matters

The widespread flight cancellations have caused immense inconvenience and distress for thousands of travelers, disrupting personal plans such as weddings and business commitments, and forcing many to seek alternative, often more expensive, travel arrangements. This crisis highlights significant challenges within IndiGo's operational planning and its ability to adapt to regulatory changes, raising concerns about passenger rights and the overall reliability of air travel in India. The government's swift intervention and inquiry underscore the serious nature of the disruption and its potential impact on the national aviation sector, emphasizing the need for robust compliance and emergency preparedness from airlines to maintain public trust and safety.

Geographic Location

• Indira Gandhi International Airport, Delhi, India (all domestic departures cancelled)
• Kempegowda International Airport, Bengaluru, Karnataka, India (hundreds of cancellations and delays)
• Chhatrapati Shivaji Maharaj International Airport, Mumbai, Maharashtra, India (104 cancellations)
• Chennai International Airport, Chennai, Tamil Nadu, India (all domestic flights cancelled)
• Sardar Vallabhbhai Patel International Airport, Ahmedabad, Gujarat, India (86 flights affected)
• Devi Ahilya Bai Holkar Airport, Indore, Madhya Pradesh, India (49 cancellations)
• Rajiv Gandhi International Airport, Hyderabad, Telangana, India (92 cancellations, flights diverted)
• Pune Airport, Pune, Maharashtra, India (32 flights cancelled, additional manpower deployed)
• Raja Bhoj airport, Bhopal, Madhya Pradesh, India (18 cancellations)
• Jaipur International Airport, Jaipur, Rajasthan, India (worst hit by disruptions)
• Dumna airport, Jabalpur, Madhya Pradesh, India (10 cancellations)
• Rajmata Vijayaraje Scindia airport, Gwalior, Madhya Pradesh, India (4 cancellations)
• Khajuraho airport, Khajuraho, Madhya Pradesh, India (4 cancellations)