Singapore Airlines
SQ321 Flight status
According to Trip.com real-time data, the SQ321 flight operated by Singapore Airlines on Sep 7, 2026 is scheduled to fly from London (LHR) to Singapore (SIN). The flight is expected to depart at 10:05 PM (local time in London, UTC+1) and arrive at 5:54 PM (local time in Singapore, UTC+8) .
Sun, Sep 6
Mon, Sep 7
Tue, Sep 8
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Arrived
The flight has arrived 27m early
13h 25m
Check-in Counter
A
Boarding Gate
B38
Arrival Gate
B5
Baggage
47
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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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Scheduled
Your flight will depart on time.
13h 25m
Check-in Counter
A
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlight
For real-time updates, please check airport displays or contact your airline.
SQ321 Aircraft Details
According to Trip.com real-time data, the SQ321 flight from London to Singapore on 9/7/2026 is operated using the aircraft model Boeing 777-300ER. This aircraft has been in service for 17y. The aircraft has Up to 316 seats.
Boeing 777-300ER
Punctuality (Departure)
90
%
Punctuality (Arrival)
97
%
Early on average
19 minutes
Age
17y
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 25% of flights
48 cm
Seat width better than on 42% 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 Sun, Sep 6 from LHR at approximately 10:18 PM. This flight is expected to arrrive in SIN at 6:03 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Wed, Sep 2 | London (LHR) | Singapore (SIN) | B77W | 10:14 PM | 5:49 PM | Arrived |
| Thu, Sep 3 | London (LHR) | Singapore (SIN) | B77W | 10:13 PM | 5:59 PM | Arrived |
| Fri, Sep 4 | London (LHR) | Singapore (SIN) | B77W | 10:29 PM | 6:02 PM | Arrived |
| Sat, Sep 5 | London (LHR) | Singapore (SIN) | B77W | 10:21 PM | 5:38 PM | Arrived |
| Sun, Sep 6 | London (LHR) | Singapore (SIN) | B77W | 10:18 PM | 6:03 PM | Arrived |
| Mon, Sep 7 | London (LHR) | Singapore (SIN) | B77W | 10:05 PM | 5:54 PM | Scheduled |
| Tue, Sep 8 | London (LHR) | Singapore (SIN) | B77W | 10:05 PM | 6:30 PM | 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 19 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
19 minutes
Early
90
%
On time
7
%
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 10:05 PM, arrival 6:30 PM (updated Sep 7, 2026). -
Is flight sq321 on time today?
Flight sq321 has not departed yet and is currently on schedule. Scheduled departure is 10:05 PM, with arrival at 6:30 PM. 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 10:05 PM. The latest actual or estimated departure time is 10:05 PM, and the current status is Scheduled (updated Sep 7, 2026). -
When is flight sq321 scheduled to arrive?
Flight sq321 is scheduled to arrive at 6:30 PM. The latest estimated or actual arrival time is 5:54 PM. Status is Scheduled as of Sep 7, 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 Monday. -
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 7, 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 10:05 PM. -
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
Intermittent clouds
|
26°C - 34°C
Weather forecast for your arrival day
7 hour time difference
Time on arrival: London 10:54
|
Singapore 17:54
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