Terminal: 2 | Gate: B38
Departure: Fri, Jun 12, 2026
Scheduled:
22:05
|
Estimated:
22:05
Arrival: Sat, Jun 13, 2026
Scheduled:
18:30
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SQ 321 Flight Status & Schedule

Date Departure Arrival Status
Jun 12 22:05 18:30
Scheduled
Track >
Jun 11 22:22 18:08
Landed
Track >
Jun 10 22:18 18:05
Landed
Track >
Jun 09 22:12 18:10
Landed
Track >
Jun 08 22:18 17:36
Landed
Track >

Singapore Airlines SQ 321 London to Singapore Flight Information

Singapore Airlines Flight SQ321 connects London, United Kingdom to Singapore, Singapore, taking off from London Heathrow Airport LHR and landing at Singapore Changi Airport SIN.

How long is the SQ321 flight from London to Singapore?

The average flight time from London to Singapore is 12 hours and 41 minutes. The flight distance is 10883 km / 6762 miles and the average flight speed is 853 km/h / 530 mph.

How many SQ321 flights are operated per week?

7 flights per week. The flight SQ321 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.

What is the On-Time Performance (OTP) of Singapore Airlines Flight SQ321 London to Singapore?

The Airportia On-Time Performance Rating for Singapore Airlines Flight SQ321 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest SQ321 flight?

The latest flight took off on Saturday, June 13th, 2026 with the flight status being Scheduled on 18:30.

How else can the flight SQ321 be referenced as?

This Singapore Airlines flight can also be referenced as SIA321, SQ0321, SQ 321, SIA 321.

How often is flight SQ321 delayed?

On average, 0% of all SQ321 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled SQ321 flight or baggage issues?

If your SQ321 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our SQ321 Flight Tracker above for more details.

SQ321 and London LHR to Singapore SIN Flights

Other flights departing from London LHR: AV121, JD432, GF6, ZH888

Other flights arriving at Singapore SIN: UA29, BA15, AF256, AY131

All flights connecting London LHR to Singapore SIN.

SQ321 Singapore Airlines Flight: London to Singapore Route Map

SQ321 Singapore Airlines Flight Map: London to Singapore
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.