SINGAPORE- A Singapore Airlines (SQ) flight from Guangzhou (CAN) to Singapore (SIN) was diverted on May 5, 2026, due to severe weather. The disruption highlights how operational safety decisions are made during adverse conditions.
Flight SQ851 was scheduled to arrive at Singapore Changi Airport (SIN) at 5.45 pm but diverted to Hang Nadim International Airport (BTH). The flight carried 301 passengers and 18 crew members, ensuring a safe landing amid worsening weather conditions.
Singapore Airlines Flight Diverted
Singapore experienced intense rainfall on May 5, prompting National Environmental Agency to issue a heavy rain alert at about 5.10 PM.
The advisory covered southern, eastern, and central regions, indicating deteriorating weather conditions near the scheduled arrival window.
At the same time, PUB warned of flash flood risks in several areas, including Tanjong Pagar and parts of north-eastern Singapore.
A flash flood was subsequently reported at the KPE slip road towards Buangkok East Drive, confirming the severity of the conditions affecting ground operations.
Due to reduced visibility and unsafe landing parameters, Flight SQ851 was diverted before arrival. According to Flightradar24, the aircraft was approaching its scheduled landing time when the diversion decision was executed.
According to The Straits Times, such diversions are standard safety procedures when weather conditions compromise operational safety.
Flight Timeline and Response Measures
Flight SQ851, operated using a Boeing 787-10, landed safely at Hang Nadim International Airport at 5.41 PM local time, equivalent to 6.41 PM Singapore time.
Passengers remained onboard during the stop, and light refreshments were served on request.
After approximately two hours on the ground, the flight departed Batam at 7.43 PM. It later arrived in Singapore at around 9.20 PM, resulting in a delay of nearly four hours from the original schedule.
An SIA spokesperson confirmed in a media reply on May 7 that all necessary assistance was provided to affected passengers.
This included rebooking connecting flights and arranging hotel accommodation in Singapore, where required.
Airlines follow strict operational guidelines when facing adverse weather conditions. Heavy rain, poor visibility, and flood risks increase landing complexity and require immediate decision-making to ensure safety.
Singapore Airlines stated that the safety of passengers and crew remains its top priority.
The airline also issued an apology to affected customers for the inconvenience caused, reinforcing its commitment to maintaining safety and service standards.
Weather Impact on Operations
Weather disruptions remain a frequent challenge in Southeast Asia due to its tropical climate.
Heavy rainfall and thunderstorms can affect arrival sequencing, runway safety, and airport capacity.
Timely alerts from national agencies allow airlines to adjust operations proactively. Diversions, though disruptive, are essential measures that prevent safety risks and maintain aviation reliability during extreme weather events.
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