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Indonesia’s main international gateway, Jakarta’s Soekarno-Hatta International Airport, remains closed to flights until 8.59am local time on September 7 after ash from the erupting Anak Krakatau volcano drifted across key air corridors, prolonging widespread disruption to air travel across the archipelago.
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Closure extended as ash drifts over Jakarta airspace
Publicly available information from Indonesia’s Transport Ministry shows that Soekarno-Hatta International Airport on the outskirts of Jakarta has extended its operational shutdown until 8.59am local time on Monday, September 7. The latest notice to air missions (NOTAM) cited by local media specifies that the restriction is in force as part of broader limits on flying in airspace contaminated by volcanic ash from Mount Anak Krakatau.
The decision follows a weekend of escalating measures as ash from Anak Krakatau spread across parts of western Indonesia. Earlier NOTAMs had already suspended operations at Soekarno-Hatta for several hours on Sunday, before authorities moved to prolong the closure overnight in response to updated monitoring data. Coverage from Indonesian outlets notes that the current NOTAM for Jakarta’s main airport is registered as A3368/26, revising an earlier advisory and fixing the reopening time at 8.59am.
International reporting indicates that Soekarno-Hatta, located more than 150 kilometers from Anak Krakatau in the Sunda Strait, is among the facilities most heavily affected. The airport handles the bulk of Indonesia’s international and domestic connections, so any extended suspension quickly cascades through airline schedules across the region.
Eight airports affected and tens of thousands stranded
According to published coverage in regional and Indonesian media, the shutdown at Soekarno-Hatta forms part of a wider precautionary closure of eight airports after Anak Krakatau began erupting on September 5. Operations are reported to be suspended until the same 8.59am local time on Monday at several other facilities, including Halim Perdanakusuma in Jakarta, Radin Inten II in Lampung, Husein Sastranegara in Bandung, and a group of smaller airports in Banten, South Tangerang, Lampung and South Sumatra.
Passenger disruption has grown rapidly as the closures were extended. International news reports estimate that about 170,000 travelers were left stranded on Sunday, with more than 1,500 flights cancelled or heavily delayed nationwide. Soekarno-Hatta alone accounted for well over 900 of those suspensions, underscoring its central role as Indonesia’s primary aviation hub.
Images from Jakarta-region terminals published by local outlets show long queues forming at airline desks as travelers seek rebookings or refunds. Many flights have been repeatedly rescheduled as NOTAMs were updated over the course of Sunday, creating significant uncertainty for passengers trying to reach onward connections or return home after the weekend.
Safety-first decisions shaped by volcanic ash risks
Information from Indonesia’s Transport Ministry and aviation regulator highlights that the closure is driven by safety concerns over volcanic ash in the vicinity of flight paths serving Jakarta. Volcanic ash can severely damage jet engines, abrade windscreens, and interfere with onboard instruments, making it particularly hazardous for modern aircraft.
In official bulletins and media summaries, Indonesian aviation authorities emphasize that the affected airports will reopen only when monitoring shows that ash concentrations have dropped to safe levels along approach and departure routes. The latest extension of Soekarno-Hatta’s closure to 8.59am on September 7 reflects updated assessments of ash dispersion patterns rather than any damage to airport infrastructure.
Anak Krakatau, a small but active volcanic island in the Sunda Strait, has been under closer watch since a recent uptick in seismic and eruptive activity. Reports from Indonesia’s volcanology agency, cited by regional media, describe bursts of ash and lava beginning on Friday, September 5, followed by additional eruptions on Sunday that pushed ash clouds higher into the atmosphere and widened the area of concern for aviation.
Knock-on effects for domestic and regional travel
The extended shutdown of Indonesia’s main airport has produced significant knock-on impacts across Southeast Asia’s air network. Flight tracking data and airline advisories compiled in news reports show that carriers have cancelled or diverted services not only to Jakarta but also to secondary cities in western Java and southern Sumatra that rely on the affected airports.
Some flights bound for Jakarta have been rerouted to other Indonesian hubs or delayed until the closure window expires, while others have been cancelled outright, leaving passengers to arrange accommodation or alternate transport. Airlines serving Indonesia from neighboring hubs such as Singapore and Kuala Lumpur are advising travelers to check flight status frequently and allow extra time for rebooking.
Within Indonesia, the impact is particularly acute for domestic travelers who rely on connections through Jakarta to reach other islands. With Soekarno-Hatta shut until at least 8.59am local time, many early-morning departures on Monday are expected to face revised timings or aircraft swaps as airlines attempt to reposition fleets and crew once the airspace is cleared for operations.
What travelers need to know right now
For passengers scheduled to travel to or from Jakarta on September 7, publicly available advisories recommend monitoring airline channels and airport websites closely. The current NOTAM indicates that Soekarno-Hatta will remain closed until 8.59am local time, and any change to that timing is likely to be reflected first in airline operational updates and flight status tools.
Travelers with early-morning flights on Monday may find that their services are delayed into the late morning or afternoon while airlines restart operations and work through backlogs created over the weekend. Some carriers have issued flexible rebooking policies for flights to and from Jakarta and other affected airports, allowing passengers to move travel dates without additional fees during the disruption period.
Reports also highlight that other major Indonesian destinations, including Bali’s Ngurah Rai International Airport, are currently operating normally, as ash from Anak Krakatau has so far been confined to western parts of the country. However, with the volcano still active, aviation and meteorological agencies continue to track ash movement closely, and further adjustments to flight paths or schedules remain possible if conditions change.
Travelers transiting through Indonesia in the coming days are advised, based on current published guidance, to build additional time into itineraries, keep contact details updated with airlines, and verify local transport and accommodation arrangements in case of extended delays.
Thousands stranded as Anak Krakatau eruption shutters Indonesian airports – Al Jazeera