IndiGo Warns of Delays as Heavy Rains Disrupt Delhi Flights

Intense rainfall in Delhi has prompted IndiGo to issue a travel advisory for passengers flying through Indira Gandhi International Airport, as waterlogging, traffic disruption and an India Meteorological Department red alert contribute to widespread delays and diversions.

Advisory Urges Extra Time and Status Checks

IndiGo has cautioned travelers that severe weather over Delhi is disrupting flight operations, urging passengers to check real-time status before leaving for the airport and to factor in additional travel time. The airline’s advisory, shared on social media and other public channels, notes that bad weather over the capital has impacted schedules and may continue to affect both departures and arrivals at short notice.

Publicly available flight tracking data cited in multiple reports indicates that more than 400 flights were delayed at Delhi’s Indira Gandhi International Airport on Friday, underlining the scale of the disruption affecting IndiGo and other carriers. Delays have ranged from brief hold-ups on the tarmac to extended waits of over an hour as aircraft and crews are repositioned around bursts of heavy rain and thunderstorm activity.

IndiGo’s advisory also points out that surface conditions around the airport are slower than usual because of localized flooding and traffic congestion, increasing the risk that late-arriving passengers could miss their flights even when aircraft are operating close to schedule. Travelers are being encouraged to arrive well in advance of departure, monitor airline apps and websites, and be prepared for gate or timing changes as conditions evolve.

Other airlines, including Air India and Akasa Air, have issued similar notices highlighting weather-related disruption, suggesting that passengers across most domestic and some international routes touching Delhi may encounter irregular operations through the current spell of rain.

Heavy Downpour Triggers Waterlogging and Diversions

The latest advisory follows an intense spell of rain on Friday afternoon that quickly overwhelmed drainage in parts of the airport precinct and on key approach roads. Visuals circulated in Indian media show sections of the forecourt and adjoining access routes standing in ankle-deep water, forcing staff and passengers to wade through puddles as they moved between vehicles and terminal entrances.

Reports from local outlets describe waterlogging outside at least one of Delhi airport’s terminals, with airport teams taking around half an hour to clear the accumulated water from the most affected stretches. While the flooding was relatively short-lived, it added to congestion at drop-off points and slowed the movement of vehicles attempting to reach the airport during peak travel hours.

Thunderstorms accompanying the downpour disrupted airside operations as well. According to published coverage drawing on airport and air traffic data, at least nine flights were diverted within a one-hour window as conditions deteriorated, with aircraft rerouted to nearby cities such as Jaipur, Lucknow and Ahmedabad. In some accounts, the number of diversions during the afternoon and evening grew to around a dozen as additional arrivals were redirected away from Delhi during bursts of poor visibility.

These diversions created knock-on effects for later departures, as aircraft and crews found themselves out of position. Combined with restrictions on ground handling during intense rain and lightning, this contributed to the wave of delays seen across the airport’s departure boards late into the day.

IMD Red Alert and Evolving Weather Outlook

The India Meteorological Department (IMD) issued a red alert for Delhi as the latest downpour hit, warning of heavy to very heavy rain, thunderstorms and gusty winds over parts of the capital. Public bulletins cited in news reports indicated that rainfall totals could reach 50 to 100 millimeters in a short period in some localities, increasing the risk of flash flooding, power interruptions and transport disruption.

The red alert, which remained in force through Friday evening, has now been followed by a yellow alert for Saturday. Forecasts point to the likelihood of additional spells of light to moderate rain with isolated heavier showers and thunderstorms, particularly from early morning through the forenoon. While the overall intensity is expected to ease compared with the peak of Friday’s storm, the environment remains unstable enough to affect flight operations sporadically.

Meteorologists quoted across several weather updates note that even moderate rainfall can cause renewed waterlogging in low-lying areas and underpasses if drainage systems are still saturated from earlier storms. For airport users, that means approach roads and nearby stretches of the city’s arterial network could again experience slow-moving traffic at relatively short notice.

Longer-range outlooks from IMD signal a gradual weakening of the current system over the next couple of days, with drier conditions likely from early next week. However, as long as intermittent thunderstorms remain in the forecast, airlines and travelers are expected to maintain a higher level of caution around schedules involving Delhi.

Impact on Travelers and Key Advice for Flyers

For passengers, the most immediate impact of IndiGo’s advisory and the broader weather disruption is uncertainty around departure and arrival times. With aircraft spending longer in holding patterns, on the ground awaiting takeoff slots, or diverted to alternate airports, connections can become more difficult to maintain and tight itineraries more vulnerable to missed links.

Travel industry observers point out that in such weather-driven events, delays can cascade throughout the day as early disruptions knock subsequent rotations off their planned timings. Even flights scheduled well after a storm has passed may feel the effects if aircraft are operating out of position or if congestion at the airport persists while operations are normalized.

Based on the guidance from airlines and airport advisories, the main recommendations for those flying to or from Delhi during this period are to allow significantly more time than usual for the journey to the airport, to keep a close eye on live flight information, and to be flexible with plans and ground transport where possible. Carrying essentials such as snacks, water, necessary medications and device chargers can help passengers manage longer waits in terminals or on board.

Passengers are also being reminded to check rebooking and disruption policies for their tickets, particularly on busy routes where spare seats may be limited in the short term. Many carriers, including IndiGo, often permit limited fee waivers or flexibility during major weather events, but such options are typically time-bound and subject to availability.

Delhi’s Broader Monsoon Challenges for Aviation

The current episode is the latest in a series of monsoon-related disruptions that periodically test Delhi’s aviation infrastructure. In previous years, intense rain events have led to large numbers of delayed or cancelled flights, diversions to regional hubs and repeated advisories from airlines urging travelers to plan ahead during poor weather.

Observers note that while Indira Gandhi International Airport usually continues operating through most weather conditions, short but intense storms can temporarily reduce runway capacity, slow ground handling and expose vulnerabilities in drainage around forecourts and access roads. When such conditions coincide with peak traffic periods, the resulting backlog can take hours to resolve.

As climate variability contributes to more frequent extreme rainfall episodes across parts of India, the intersection between heavy weather and high-density air travel is likely to remain a recurring issue for major hubs such as Delhi. Airlines’ rapid use of digital advisories, including IndiGo’s latest travel notice, has become a standard tool to manage expectations and reduce the number of passengers caught off guard by fast-changing conditions.

For now, travelers with upcoming itineraries involving Delhi are being advised to treat the latest IndiGo notice and similar advisories as a signal to stay informed, build extra buffer time into their plans and expect that operations may not return to a normal rhythm until the current spell of unstable weather has clearly passed.

Delhi weather and airline advisories coverage – The Economic Times

Heavy rain disrupts Delhi airport operations – NDTV

Delhi battered by heavy rain, flights affected – Hindustan Times

Heavy rain causes waterlogging and diversions at IGI – The Indian Express