Vietnam Airlines, Vietjet adjust Jakarta flights after Krakatau ash

Overview

Vietnam Airlines (HVN) and Vietjet Air (VJC) adjusted and added flights between Vietnam and Jakarta on September 7 after volcanic ash from Mount Krakatau disrupted operations at Soekarno-Hatta International Airport in Indonesia. The temporary closure on September 6 affected over 300 flights, including 58 international services, stranding passengers at Indonesia’s main airport.

Key Facts

• Vietnam Airlines rescheduled flights between Hà Nội, Hồ Chí Minh City, and Jakarta on September 7 due to volcanic ash from Krakatau.
• Vietnam Airlines added four flights from Jakarta to Vietnam on September 7: VN630D (Jakarta–HCMC, 15:50), VN630 (17:50), VN634B (Jakarta–Hà Nội, 15:00), and VN634D (16:50).
• Inbound to Jakarta, Vietnam Airlines operated VN631D and VN631 from HCMC (11:50, 13:50) and VN635D and VN635 from Hà Nội (11:20, 20:00).
• Vietjet Air adjusted four flights on Hà Nội–Jakarta and HCMC–Jakarta routes on September 7, including VJ929 (Hà Nội–Jakarta) moved from 13:30 to 18:30, and VJ928 (Jakarta–Hà Nội) from 18:50 to 23:40.
• Soekarno-Hatta airport was closed on September 6 due to Krakatau ash, affecting over 300 flights, including 58 international flights.
• Indonesian authorities expected the airport to resume operations from 15:00 on September 7, subject to conditions.

What Happened

Vietnam Airlines announced on September 7 that it had adjusted its flight schedule between Hà Nội, Hồ Chí Minh City, and Jakarta due to volcanic ash from Krakatau in Indonesia. The carrier also added flights to accommodate passengers whose journeys were disrupted on September 6, when Soekarno-Hatta International Airport was temporarily closed.

Vietjet Air similarly rescheduled four flights on the Hà Nội–Jakarta and HCMC–Jakarta routes on September 7. For example, VJ929 from Hà Nội to Jakarta was delayed from 13:30 to 18:30, while the return flight VJ928 was pushed from 18:50 to 23:40. The adjustments were made to maintain connectivity while managing the backlog of affected passengers.

Market Context

Vietnam Airlines (HVN) closed at VND 22,500 on September 6, 2026, on the HOSE, while Vietjet Air (VJC) closed at VND 124,500. The disruption is a short-term operational issue for both carriers on the Indonesia route, which is a relatively minor part of their international networks. The broader Vietnamese airline sector has been recovering from pandemic-era losses, with international travel demand gradually returning. This event underscores the vulnerability of airline operations to external shocks, though the financial impact is likely limited given the temporary nature of the closure.

Strategic Significance

For long-term investors, this incident highlights the operational resilience of Vietnam Airlines and Vietjet Air in managing route disruptions. Both carriers demonstrated flexibility by adjusting schedules and adding flights to clear passenger backlogs, which is positive for customer relations. However, the event also serves as a reminder of the risks inherent in airline operations, including volcanic ash, weather, and geopolitical events, which can cause sudden cancellations and cost overruns. Investors should monitor how these carriers manage such disruptions, as efficient crisis response can differentiate them in a competitive market.

What to Watch

• Resumption of normal flight schedules between Vietnam and Jakarta in the coming days.
• Any official statements from Vietnam Airlines or Vietjet Air regarding financial impact or compensation costs.
• Passenger load factors on the Jakarta route in September to assess demand recovery.
• Updates from Indonesian authorities on the status of Krakatau volcano and potential further disruptions.
• Quarterly earnings reports from HVN and VJC for any mention of operational disruptions and their impact on costs.