What is the current status of flight sq321?

Flight sq321 has not departed yet and is currently on schedule. Scheduled departure 22:05, arrival 18:30 (updated Oct 22, 2026).

Is flight sq321 on time today?

Flight sq321 has not departed yet and is currently on schedule. Scheduled departure is 22:05, with arrival at 18:30. Recheck gate and timing before you head to the airport.

Has flight sq321 departed yet? What is the departure time?

Flight sq321 is scheduled to depart at 22:05. The latest actual or estimated departure time is 22:05, and the current status is Scheduled (updated Oct 22, 2026).

When is flight sq321 scheduled to arrive?

Flight sq321 is scheduled to arrive at 18:30. The latest estimated or actual arrival time is 17:55. Status is Scheduled as of Oct 22, 2026.

What route does flight sq321 fly?

Flight sq321 is operated by Singapore Airlines from London (LHR) to Singapore (SIN). Typical flight time is about 13 hours 25 minutes; operating days may include Thursday.

How can I check real-time status for flight sq321?

Track flight sq321 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.

If flight sq321 is delayed or canceled, what should I do?

If sq321 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 22, 2026). Contact Singapore Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.

Has flight sq321 departed from London?

Flight sq321 has not departed from London (LHR) yet and is currently on schedule for 22:05.

What is the seat configuration for flight sq321?

Flight sq321 usually flies a Boeing 777-300ER with seat layout 3-3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.

Singapore Airlines

SQ321 Flight Status

According to Trip.com latest record on status for Singapore Airlines flight SQ321 from London to Singapore (LHR-SIN): Flights for Oct 22, 2026 are scheduled, with the next departure slated for 22:05 from LHR and an expected arrival at 17:55 at SIN .

Wed, Oct 21

Thu, Oct 22

Fri, Oct 23

LON-SIN

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Arrived

The flight arrived 25m early.

London(LHR)

22:10

Scheduled: 22:05, Oct 21

Heathrow Airport T2

13h 25m

Singapore(SIN)

18:05

Scheduled: 18:30, Oct 22

Singapore Changi Airport T3

Check-in Counter

Boarding Gate

B38

Arrival Gate

A14

Baggage

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LON-SIN

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Scheduled

Your flight will depart on time.

London(LHR)

22:05

Scheduled: 22:05, Oct 22

Heathrow Airport T2

13h 25m

Singapore(SIN)

17:55

Scheduled: 18:30, Oct 23

Singapore Changi Airport

Check-in Counter

Boarding Gate

Arrival Gate

Baggage

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LON-SIN

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Scheduled

Your flight will depart on time.

London(LHR)

22:05

Scheduled: 22:05, Oct 23

Heathrow Airport T2

13h 25m

Singapore(SIN)

18:30

Scheduled: 18:30, Oct 24

Singapore Changi Airport

Check-in Counter

Boarding Gate

Arrival Gate

Baggage

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Singapore

Flights from London to Singapore

SQ321

SQ321 Aircraft Specifications

According to Trip.com real-time data, the SQ321 flight from London to Singapore on 10/22/2026 is operated using the aircraft model Boeing 777-300ER. This aircraft has been in service for 16y. The aircraft has Up to 316 seats.

Boeing 777-300ER

On-Time Departure

90 %

On-Time Arrival

97 %

Avg. Early

15 minutes

Aircraft Age

16y

Total Seats

Up to 316

Flight Distance

Economy

Premium Economy

Business

First

Cabin Amenities

Meal included

Seatback entertainment system

Wi-Fi (free)

USB port and power outlet

Seat Information

81 cm

More legroom than on 36% of flights

48 cm

Seat width better than on 55% of flights

110°

Reclining Angle

3-3-3

Seat layout example

Cabin Amenities

Meal included

Seatback entertainment system

Wi-Fi (free)

USB port and power outlet

Seat Information

97 cm

Legroom

50 cm

Seat width

135°

Reclining Angle

2-4-2

Seat layout example

Cabin Amenities

Meal included

Seatback entertainment system

Wi-Fi (free)

USB port and power outlet

Seat Information

130 cm

Legroom

76 cm

Seat width better than on 67% of flights

180°

Reclining Angle Fully reclinable

1-2-1

Seat layout example

Cabin Amenities

Meal included

Seatback entertainment system

Wi-Fi (free)

USB port and power outlet

Seat Information

180 cm

Legroom

89 cm

Seat width better than on 38% of flights

180°

Reclining Angle Fully reclinable

1-2-1

Seat layout example

SQ321 Flight History

Trip.com historical records show that the last SQ321 flight departed on Wed, Oct 21 from LHR at approximately 22:10. This flight is expected to arrrive in SIN at 18:05.

Date	Airport		Aircraft Model	Departure	Arrival	Status
Date	Departure	Arrival	Aircraft Model	Departure	Arrival	Status
Sat, Oct 17	London (LHR)	Singapore (SIN)	B77W	22:25	18:17	Arrived
Sun, Oct 18	London (LHR)	Singapore (SIN)	B77W	22:37	18:37	Arrived
Mon, Oct 19	London (LHR)	Singapore (SIN)	B77W	22:33	18:05	Arrived
Tue, Oct 20	London (LHR)	Singapore (SIN)	B77W	22:17	18:02	Arrived
Wed, Oct 21	London (LHR)	Singapore (SIN)	B77W	22:10	18:05	Arrived
Thu, Oct 22	London (LHR)	Singapore (SIN)	B77W	22:05	17:55	Scheduled
Fri, Oct 23	London (LHR)	Singapore (SIN)	B77W	22:05	18:30	Scheduled

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SQ321 On-Time Performance

Based on the average performance of this flight over the last 30 trips, the on-time departure rate of SQ321 is 90% (Late on average 18 minutes), and the on-time arrival rate is 97% (Early on average 15 minutes).

On-Time Departures

Punctuality

90 %

Late on average 18 minutes

Early

0 %

On time

90 %

30 mins late

10 %

60 mins late

0 %

90 mins late

0 %

Cancelled

0 %

On-Time Arrivals

Punctuality

97 %

Early on average 15 minutes

Early

87 %

On time

10 %

30 mins late

3 %

60 mins late

0 %

90 mins late

0 %

Cancelled

0 %

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Flight FAQs

What is the current status of flight sq321?
Flight sq321 has not departed yet and is currently on schedule. Scheduled departure 22:05, arrival 18:30 (updated Oct 22, 2026).
Is flight sq321 on time today?
Flight sq321 has not departed yet and is currently on schedule. Scheduled departure is 22:05, with arrival at 18:30. Recheck gate and timing before you head to the airport.
Has flight sq321 departed yet? What is the departure time?
Flight sq321 is scheduled to depart at 22:05. The latest actual or estimated departure time is 22:05, and the current status is Scheduled (updated Oct 22, 2026).
When is flight sq321 scheduled to arrive?
Flight sq321 is scheduled to arrive at 18:30. The latest estimated or actual arrival time is 17:55. Status is Scheduled as of Oct 22, 2026.
What route does flight sq321 fly?
Flight sq321 is operated by Singapore Airlines from London (LHR) to Singapore (SIN). Typical flight time is about 13 hours 25 minutes; operating days may include Thursday.
How can I check real-time status for flight sq321?
Track flight sq321 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.
If flight sq321 is delayed or canceled, what should I do?
If sq321 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 22, 2026). Contact Singapore Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.
Has flight sq321 departed from London?
Flight sq321 has not departed from London (LHR) yet and is currently on schedule for 22:05.
What is the seat configuration for flight sq321?
Flight sq321 usually flies a Boeing 777-300ER with seat layout 3-3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.