Jakarta Airport Krakatau 2026: Soekarno-Hatta Closed Until 6PM, 270,000 Stranded
Jakarta airport Krakatau 2026 — Mount Anak Krakatau spews volcanic ash over western Indonesia on September 5, 2026, forcing the closure of eight airports including Jakarta's Soekarno-Hatta International Airport and stranding more than 270,000 passengers cumulatively, with the closure extended to 6pm local time on Monday September 7 as eruption risk remains high.
Quick answer: Mount Anak Krakatau erupted September 5, 2026 — 8 Indonesian airports including Jakarta’s Soekarno-Hatta have been closed since Sunday. The closure has been extended to 6pm local time today (September 7, Monday). 270,000+ passengers stranded cumulatively. 240+ flights cancelled or delayed Monday morning alone. Thai Airways cancelled both Jakarta flights today. Eruption risk remains high. Indian travelers with Jakarta connections today must check flight status immediately.
Jakarta airport Krakatau 2026 is today’s most urgent international aviation story — Mount Anak Krakatau erupted on Saturday September 5, spewing volcanic ash over western Indonesia in an eruption producing sounds heard 700 kilometres away, a lava fountain, and an ash column reaching 50,000 feet on the Sumatra side and 20,000 feet on the Java side.
The Jakarta airport Krakatau 2026 closure is the most extensive Indonesian aviation disruption since 2018. Eight Indonesian airports — including Soekarno-Hatta International Airport (CGK), the country’s main international gateway 150 kilometres from the volcano — have been closed since early Sunday morning and have extended their closure to 6pm local time on Monday September 7, with the probability of further eruption remaining high until at least Monday morning according to Indonesia’s geology agency.
For Indian travelers with flights to or from Jakarta today, or with Indonesian connections on regional airlines routing through Soekarno-Hatta, the Jakarta airport Krakatau 2026 closure is an active travel emergency requiring immediate flight status confirmation. See our Southeast Asia budget airlines 2026 guide for the regional carrier context.
The Eruption Timeline: What Happened Since September 5
The Jakarta airport Krakatau 2026 closure follows a rapid escalation sequence across three days.
Saturday, September 5: Mount Anak Krakatau erupted, producing a fountain of lava and booming sounds heard up to 700 kilometres away. The eruption generated an ash column reaching 50,000 feet (15,000 metres) on the Sumatra side and 20,000 feet (6,000 metres) on the Java side of the Sunda Strait. Ash began spreading toward Jakarta and Banten province. Several schools cancelled Saturday activities as residents and students suffered eye irritation from the ash. Fishermen cancelled operations. Port authorities prohibited vessels from approaching within a 3-kilometre exclusion zone around the volcano.
Sunday, September 6: Two new eruptions were recorded, the volcanology agency warned. Ash from the volcano was detected in the airspace surrounding Soekarno-Hatta International Airport, prompting authorities to suspend operations from 1:30am Sunday. The disaster agency called for people to wear masks while travelling outdoors to avoid breathing in the ash. In Jakarta and Lampung, schools switched to remote learning. The transport ministry reported 170,000 passengers stranded by end of Sunday.
Monday, September 7 — TODAY: At least four airports, including Jakarta’s Soekarno-Hatta International Airport, extended their closure from Monday morning to 6:00pm local time. The cumulative operational impact since September 5 has produced 240+ flights cancelled or delayed on Monday morning alone, with nearly 30,000 passengers affected in that morning period specifically. Total stranded passengers since September 5: more than 270,000. The probability of an eruption remains high until Monday morning, the country’s geology agency warned.
The Eight Airports That Have Closed
The Jakarta airport Krakatau 2026 closure is not limited to Soekarno-Hatta — eight Indonesian airports across western Java and Sumatra have been affected.
Soekarno-Hatta International Airport (CGK) is Indonesia’s main international gateway, serving Jakarta. It is the primary hub for Garuda Indonesia, Lion Air, Batik Air, AirAsia Indonesia, and international carriers including Singapore Airlines, Thai Airways, Cathay Pacific, KLM, and Air India. The closure of Soekarno-Hatta disrupts not only direct Jakarta flights but all international connections routing through Jakarta.
The seven other closed airports have not been individually named in all reports — they include airports in Banten province and surrounding areas directly affected by the ash cloud’s trajectory from the Sunda Strait toward western Java. Airlines have been warned not to approach Soekarno-Hatta airspace due to volcanic ash contamination detected through the paper test method — a standard aviation safety screening for ash particle concentration.
Thai Airways and Airline Cancellations
Thai Airways International cancelled flight TG433 leaving Bangkok for Jakarta at 8am and the return leg TG434 departing Jakarta at 12:35pm on Monday, citing flight and passenger safety due to ash over Soekarno-Hatta International Airport.
Thai Airways’ cancellation is the most directly relevant to Indian travelers routing Delhi–Bangkok–Jakarta on Thai Airways or Thai AirAsia connections. Other carriers that operate Jakarta routes — Singapore Airlines, AirAsia, Garuda Indonesia — have also been adjusting services in response to the evolving Soekarno-Hatta closure status.
Indian travelers affected by flight cancellations to Jakarta can request full refunds under the Civil Aviation Authority’s passenger rights framework applicable to their carrier. Document the cancellation notification from your airline before requesting refund or rebooking.
The Geology: Why Anak Krakatau Is So Dangerous
The Jakarta airport Krakatau 2026 eruption’s severity is shaped by the specific geological character of Anak Krakatau — one of the world’s most historically significant and most dangerous volcanic systems.
Anak Krakatau sits in the Sunda Strait that separates the islands of Java and Sumatra. The volcano has been sporadically active since it emerged from the sea in the 1920s in the caldera formed after the 1883 eruption of Mount Krakatau. The 1883 Krakatau eruption was one of the deadliest in recorded history — an estimated 35,000 people killed primarily by the resulting tsunamis, with the sound of the explosion heard as far as Australia.
Anak Krakatau — meaning “Child of Krakatau” — grew from the caldera of the 1883 explosion and has been periodically eruptive since. In 2018, a partial collapse of Anak Krakatau’s southwestern flank into the Sunda Strait triggered a deadly tsunami that killed more than 400 people along the Java and Sumatra coastlines. The 2018 event confirmed that Anak Krakatau’s primary tsunami risk comes not from the eruption itself but from flank collapse — a risk that was immediately assessed when the September 5, 2026 eruption was confirmed.
Indonesia’s geology agency head Lana Saria confirmed that seismic activity indicates the movement or release of volcanic fluids within the volcanic system — the standard indicator of continued eruption risk.
| Jakarta Airport Krakatau 2026 — Current Situation (September 7, 2026) | Detail |
|---|---|
| Eruption start | Saturday, September 5, 2026 |
| Airports closed | 8 Indonesian airports including Soekarno-Hatta (CGK) |
| Closure extended to | 6:00pm Monday September 7 local time |
| Total stranded passengers | 270,000+ cumulatively since September 5 |
| Monday morning flights cancelled/delayed | 240+ at Soekarno-Hatta alone |
| Monday morning passengers affected | Nearly 30,000 |
| Thai Airways status | TG433 Bangkok-Jakarta and TG434 Jakarta-Bangkok cancelled today |
| Eruption risk | Remains high — geology agency warning active |
| Ash column height | Up to 50,000 feet (Sumatra side), 20,000 feet (Java side) |
| Exclusion zone | 3km radius around volcano for vessels |
| Jakarta schools | Remote learning, ash health advisories |
| Airport reopen status | Extended to 6pm — check airline for further updates |
What Indian Travelers Must Do Right Now
Check your flight status before leaving for the airport. If you have any flight to, from, or connecting through Jakarta’s Soekarno-Hatta today — or any flight operating on an Indonesian carrier today — check flight status directly with your airline’s app or website before departing for the airport. Do not proceed to the airport based on your original schedule without confirmation.
Air India, IndiGo, and IndiGo codeshare routes via Jakarta. Indian carriers operating Jakarta routes or codesharing on Jakarta-serving airlines should be checked directly. Contact Air India at airindia.com, IndiGo at goindigo.in, or your booking platform for current status.
Request refund or rebooking if cancelled. Airlines are required to offer full refunds for government-mandated airport closures under IATA passenger rights frameworks and applicable civil aviation regulations. Request your refund or rebooking immediately when your cancellation is confirmed — do not wait.
If already in Jakarta or stranded at Soekarno-Hatta. Follow official airport communications from Angkasa Pura via their social media accounts. The airport spokesman confirmed the priority is ensuring that passengers’ needs continue to be met during the closure. Stay in the terminal or your hotel and monitor the 6pm closure extension update for further status.
Health precautions in Jakarta and Banten. The National Disaster Mitigation Agency advises: wear masks and eye protection if outdoors, reduce outdoor activity, cover water sources, exercise caution while driving as volcanic ash can reduce visibility. Jakarta and Lampung residents and visitors should stay indoors where possible until ash clearing is confirmed.
Indian travelers in Bali. Bali’s Ngurah Rai International Airport has not been confirmed among the eight closed airports — Bali is significantly further from Anak Krakatau than Jakarta. However, confirm Bali airport status at ngurahrai-airport.co.id before any departure.
For travel insurance covering Indonesian travel disruptions including volcanic ash-related flight cancellations, SafetyWing Nomad Insurance provides comprehensive coverage including trip cancellation at affordable daily rates for Indian travelers.
FAQs — Jakarta Airport Krakatau 2026
Q: Is Jakarta’s Soekarno-Hatta airport open today (September 7, 2026)?
At least four airports, including Jakarta’s Soekarno-Hatta International Airport, extended their closure from Monday morning to 6:00pm local time (11:00am GMT) on September 7. The closure was first imposed from 1:30am Sunday after ash from Mount Anak Krakatau’s eruption was detected in the airport’s airspace. More than 240 domestic and international flights had been cancelled or delayed due to volcanic ash on Monday morning alone, with nearly 30,000 passengers affected. Check Soekarno-Hatta’s official status at soekarnohatta-airport.co.id or your airline’s app for updates beyond 6pm.
Q: How many passengers have been stranded by the Anak Krakatau airport closures?
Eight airports had halted operations over the weekend after ash was detected in their airspace, disrupting thousands of flights and leaving more than 270,000 passengers stranded — the cumulative operational impact since September 5, 2026, covering flights that have been cancelled, delayed, or diverted. The transport ministry reported 170,000 passengers stranded by end of Sunday alone. Monday morning’s 240+ cancelled or delayed flights at Soekarno-Hatta affected nearly 30,000 additional passengers.
Q: Is Bali’s airport affected by the Anak Krakatau eruption?
Bali’s Ngurah Rai International Airport has not been confirmed among the eight airports closed in the Jakarta airport Krakatau 2026 disruption. Bali is located significantly further from the Sunda Strait than Jakarta — approximately 700km east of Anak Krakatau versus Jakarta’s 150km. However, confirm current Bali airport status at ngurahrai-airport.co.id or with your airline before any Bali departure, as ash cloud trajectories can shift based on wind patterns and eruption intensity.
Final Word
Jakarta airport Krakatau 2026 — Mount Anak Krakatau erupting September 5, 8 airports closed, 270,000+ passengers stranded, Soekarno-Hatta extended to 6pm today, 240+ Monday morning flights cancelled, Thai Airways Bangkok-Jakarta cancelled, eruption risk remaining high — is Indonesia’s most significant aviation emergency since the 2018 Anak Krakatau tsunami event.
For Indian travelers with Jakarta flights today, the action is immediate: check flight status now, do not go to the airport without confirmation, and if cancelled, request refund or rebooking immediately. The 6pm closure extension is today’s key status checkpoint — monitor your airline for whether operations resume tonight or the closure extends further into Tuesday.
Also Read:
- Southeast Asia Budget Airlines 2026 — AirAsia Cuts 25%, Fuel Crisis
- KLIA Flights National Day 2026 — Airspace Closure August 26–31
- Singapore Indonesia Routes 2026 — Scoot to Belitung and Pontianak
Official Sources:
- Bangkok Post — Jakarta Airport Extends Closure After Volcano Eruption
- Soekarno-Hatta Airport Official
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Aaseem Bhardwaj is a journalist, seasoned traveler and IT professional based in India. With firsthand travel experience across Southeast Asia, East Asia, Middle East and Europe, Aaseem founded Travel Man Today to provide reliable visa updates and travel news for Indian passport holders. He has personally traveled to Thailand, Vietnam, Malaysia, Japan, Singapore, Hong Kong, South Korea, UAE and Europe. Follow his travel vlogs on YouTube at @travelmantoday
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