Singapore Airlines SQ321 Flight status
According to Trip.com real-time data, the SQ321 flight operated by Singapore Airlines on Sep 20, 2026 is scheduled to fly from London (LHR) to Singapore (SIN). The flight is expected to depart at 22:05 (local time in London, UTC+1) and arrive at 18:30 (local time in Singapore, UTC+8) .
Sat, Sep 19
Sun, Sep 20
Sat, Dec 26
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Scheduled
Your flight will depart on time.
13h 25m
Check-in Counter
A
Boarding Gate
B38
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
13h 25m
Check-in Counter
A
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Canceled
Please refer to the airline for the latest information
Check-in Counter
A
Boarding Gate
--
Arrival Gate
--
Baggage
--
Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from London to Singapore or track other flights with our flight status tracker.
SQ321 Aircraft Details
According to Trip.com real-time data, the SQ321 flight from London to Singapore on 9/20/2026 is operated using the aircraft model Boeing 777-300ER. This aircraft has been in service for 16y, 8m. The aircraft has Up to 316 seats.
Boeing 777-300ER
Punctuality (Departure)
87%
Punctuality (Arrival)
93%
Early on average
16 minutes
Age
16y, 8m
Seats
Up to 316
Flight Distance
--
Economy
Premium Economy
Business
First
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (free)
USB port and power outlet
Seat Information
81 cm
More legroom than on 31% of flights
48 cm
Seat width better than on 46% of flights
110°
Reclining Angle
3-3-3
Seat layout example
In-Flight Services
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
In-Flight Services
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 40% of flights
180°
Reclining Angle Fully reclinable
1-2-1
Seat layout example
In-Flight Services
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 30% of flights
180°
Reclining Angle Fully reclinable
1-2-1
Seat layout example
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Flight History for SQ321
Trip.com historical records show that the last SQ321 flight departed on Sat, Sep 19 from LHR at approximately 22:05. This flight is expected to arrrive in SIN at 17:53.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Sep 14 | London (LHR) | Singapore (SIN) | B77W | 22:08 | 17:25 | Arrived |
| Tue, Sep 15 | London (LHR) | Singapore (SIN) | B77W | 22:21 | 18:18 | Arrived |
| Wed, Sep 16 | London (LHR) | Singapore (SIN) | B77W | 22:19 | 17:48 | Arrived |
| Thu, Sep 17 | London (LHR) | Singapore (SIN) | B77W | 22:14 | 18:27 | Arrived |
| Fri, Sep 18 | London (LHR) | Singapore (SIN) | B77W | 22:05 | 17:39 | Arrived |
| Sat, Sep 19 | London (LHR) | Singapore (SIN) | B77W | 22:05 | 17:53 | Scheduled |
| Sun, Sep 20 | 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 87% (Late on average 20 minutes), and the on-time arrival rate is 93% (Early on average 16 minutes).
On-Time Departures
Punctuality
87%
Late on average 20 minutes
Early
0%
On time
87%
30 mins late
13%
60 mins late
0%
90 mins late
0%
Cancelled
1%
On-Time Arrivals
Punctuality
93%
Early on average 16 minutes
Early
83%
On time
10%
30 mins late
7%
60 mins late
0%
90 mins late
0%
Cancelled
1%
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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 Sep 20, 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 Sep 20, 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 18:30. Status is Scheduled as of Sep 20, 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 Sunday.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 Sep 20, 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.
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Arrival Info: Singapore Weather & Current Time
Cloudy with showers
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7 hour time difference
Time on arrival: London 11:30| Singapore 18:30
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