PUBLISHED ONSeptember 07, 2026 2:15 AMBYSean LerAt least 16 Singapore Airlines and Scoot flights to and from Jakarta have been cancelled following the eruption of Mount Anak Krakatau in Indonesia last Friday (Sept 4).
Soekarno-Hatta International Airport posted on its Instagram on Sunday that it had suspended flight operations until 9.30am (10.30am Singapore time) due to volcanic ash. The suspension, initially scheduled until 5.30am, was later extended several times.
In an update posted ahead of its 9.59am reopening, the airport stated that flight operations will remain suspended till 7pm. It has since affected at least 900 flights.
The following 23 flights on Monday and Tuesday have been cancelled:
Both Singapore Airlines and Scoot said their customers with direct bookings can rebook or seek a refund, while those who booked their tickets through travel agents or partner airlines should contact these parties directly for assistance.
As the situation remains fluid, the two airlines said that their flight schedules may be adjusted based on developments.
Anak Krakatau has erupted since late on Friday, with volcanic ash detected at the airport early on Sunday, Indonesian authorities said in a statement.
Ash was identified as high as 20,000 feet (6,000 metres) on the Java side of the volcano and a plume of up to 50,000 feet (15,000 metres) on the Sumatra side and some parts of Banten province in Java, the meteorological agency BMKG posted on its website.
Anak Krakatau is roughly halfway between Java and Sumatra in Indonesia's vast island chain, which sits on the Pacific Ring of Fire, where earthquakes and volcanic eruptions are frequent.
@asiaone Indonesia Mount Anak Krakatau erupted overnight into Saturday (Sept 5) and by Sunday, affected over 300 flights, as Jakarta's main airport suspended flight operations till 5.30pm. #news #Indonesia #Volcano ♬ original sound - AsiaOne
Indonesia's disaster mitigation agency, BNPB, has urged the public to remain calm while increasing vigilance.
"In the event of ashfall, people are advised to wear masks and eye protection, reduce outdoor activities, cover water sources and exercise caution when driving, as volcanic ash can reduce visibility," said spokesperson Berton Panjaitan.
Several schools cancelled activities on Saturday with students and residents suffering eye irritation from the ash, while fishermen cancelled their fishing trips due to the eruption, local media outlet Kompas reported.
The disaster mitigation agency said on Saturday there was no imminent risk of tsunami from the volcano.
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