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IndiGo, India’s largest airline, is battling one of its worst operational disruptions in recent years, with hundreds of delays and cancellations throwing domestic travel into chaos.

Government data on Tuesday showed its on-time performance plunging to 35%, an unusual dip for a carrier long associated with punctuality.

By Wednesday afternoon, airports in Delhi, Mumbai, Bengaluru and Hyderabad had collectively reported close to 200 cancellations, stranding travellers across the country.

Crew Shortage After New Duty Norms

A major trigger behind the meltdown is a severe crew shortage, especially among pilots, following the rollout of revised Flight Duty Time Limitation (FDTL) norms last month.

The rules mandate longer rest hours and more humane rosters — a shift IndiGo has struggled to incorporate across its vast network.

Sources said several flights were grounded due to lack of cabin crew, while some delays stretched upwards of eight hours.

With IndiGo controlling over 60% of India’s domestic aviation market, the ripple effect has impacted airports nationwide.

IndiGo Issues Apology, Lists “Compounding Factors”

In a statement, IndiGo acknowledged the large-scale disruption:

“We sincerely apologise to customers. A series of unforeseen operational challenges — technology glitches, winter schedule changes, adverse weather, system congestion and updated FDTL norms — created a compounding impact that could not have been anticipated.”

To stabilise operations, the airline has begun calibrated schedule adjustments for the next 48 hours, aiming to restore punctuality. Affected passengers are being offered refunds or alternate travel arrangements, IndiGo said.

What the FDTL Rules Require

The FDTL norms, designed to reduce pilot fatigue, cap duty and flying hours as follows:
•    Maximum 8 hours of flying per day
•    35 hours per week
•    125 hours per month
•    1,000 hours per year

Crew must also receive rest equalling twice the flight duration, with a minimum 10-hour rest period in any 24-hour window.

The DGCA introduced these limits to enhance flight safety.

Hyderabad: 33 Flights Cancelled, Long Queues Reported

Hyderabad’s Rajiv Gandhi International Airport saw heavy early-morning crowds as 33 IndiGo flights (arrivals and departures) were cancelled.

The airport clarified on X that operations were normal, advising passengers to contact IndiGo directly for latest flight status.

Cancellations included flights to and from Visakhapatnam, Goa, Ahmedabad, Delhi, Bengaluru, Chennai, Madurai, Hubli, Bhopal and Bhubaneswar.

Bengaluru: 42 Flights Disrupted

Bengaluru’s Kempegowda International Airport recorded 42 cancellations — 22 arrivals and 20 departures — affecting routes to Delhi, Mumbai, Chennai, Hyderabad, Goa, Kolkata and Lucknow.

Passengers Vent on Social Media

Irate travellers took to X to share their experiences. One passenger stranded in Hyderabad wrote: “I have been here since 3 a.m. and missed an important meeting.”

Another said: “My flight was pushed from 1:55 PM to 2:55 PM and now 4:35 PM. I was informed only three minutes before entering the airport.”

Delhi Airport Hit by Tech Glitch

At Delhi Airport, the disruption deepened due to a slowdown in the Amadeus system — used for reservations, check-ins and departure control.

The technical issue led to longer queues and sluggish processing, adding to delays already worsened by staff shortages.

The deletion of over 58 lakh names from West Bengal’s draft electoral rolls following a Special Intensive Revision (SIR) has sparked widespread concern and is likely to deepen political tensions in the poll-bound state.

According to the Election Commission, the revision exercise has identified 24 lakh voters as deceased, 19 lakh as relocated, 12 lakh as missing, and 1.3 lakh as duplicate entries. The draft list, published after the completion of the first phase of SIR, aims to remove errors and duplication from the electoral rolls.

However, the scale of deletions has raised fears that a large number of eligible voters may have been wrongly excluded. The Election Commission has said that individuals whose names are missing can file objections and seek corrections. The final voter list is scheduled to be published in February next year, after which the Assembly election announcement is expected. Notably, the last Special Intensive Revision in Bengal was conducted in 2002.

The development has intensified the political row over the SIR process. Chief Minister Mamata Banerjee and her Trinamool Congress have strongly opposed the exercise, accusing the Centre and the Election Commission of attempting to disenfranchise lakhs of voters ahead of the elections.

Addressing a rally in Krishnanagar earlier this month, Banerjee urged people to protest if their names were removed from the voter list, alleging intimidation during elections and warning of serious consequences if voting rights were taken away.

The BJP, meanwhile, has defended the revision and accused the Trinamool Congress of politicising the issue to protect what it claims is an illegal voter base. Leader of the Opposition Suvendu Adhikari alleged that the ruling party fears losing power due to the removal of deceased, fake, and illegal voters.

The controversy comes amid earlier allegations by the Trinamool Congress that excessive work pressure during the SIR led to the deaths by suicide of some Booth Level Officers (BLOs), for which the party blamed the Election Commission. With the draft list now out, another round of political confrontation appears imminent.

As objections begin to be filed, the focus will be on whether the correction mechanism is accessible, transparent, and timely—critical factors in ensuring that no eligible voter is denied their democratic right ahead of a crucial election.

With IndiGo flight disruptions impacting thousands of passengers, the airline on Saturday said that it will offer full waiver on all cancellations/reschedule requests for travel bookings between December 5, 2025 and December 15, 2025.

Earlier in the day, the civil aviation ministry had directed the airline to complete the ticket refund process for the cancelled flights by Sunday evening, as well as ensure baggage separated from the travellers are delivered in the next two days.

In a post on X, titled 'No questions asked', IndiGo wrote, "In response to recent events, all refunds for your cancellations will be processed automatically to your original mode of payment."

"We are deeply sorry for the hardships caused," it further added.

Several passengers, however, complained of not getting full refund as promised by the airline.

Netizens have shared screenchots of getting charged for airline cancellation fee and convenience fee.

"Please tell me why u have did this airline cancellation charges when u say full amount will be refunded (sic)," a user wrote sharing a screenshot of the refund page.

"Well, but you have still debited the convenience charges," wrote another.

Passengers have also raised concerns about the "cancel" option being disabled on the IndiGo app. "First enable the 'Cancel' button on your App & offer full refund on tickets cancelled by customers between the said dates," wrote a user.

A day after the country's largest airline, IndiGo, cancelled more than 1,000 flights and caused disruptions for the fifth day on Saturday, the ministry said that any delay or non-compliance in refund processing will invite immediate regulatory action.

The refund process for all cancelled or disrupted flights must be completed by 8 pm on Sunday, the ministry said in a statement.

"Airlines have also been instructed not to levy any rescheduling charges for passengers whose travel plans were affected by cancellations," it said.

On Saturday, more than 400 flights were cancelled at various airports.

IndiGo has also been instructed to set up dedicated passenger support and refund facilitation cells.