Singapore Airlines
SQ321 Flight status
According to Trip.com real-time data, the SQ321 flight operated by Singapore Airlines on Jul 29, 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 6:30 PM (local time in Singapore, UTC+8) .
Tue, Jul 28
Wed, Jul 29
Thu, Jul 30
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En route
Your flight has departed London and is expected to arrive in Singapore at 6:06 PM.
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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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 VariFlightVariFlight.
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 7/29/2026 is operated using the aircraft model Boeing 777-300ER. This aircraft has been in service for 16y, 2m. The aircraft has Up to 316 seats.
Boeing 777-300ER
Punctuality (Departure)
73
%
Punctuality (Arrival)
97
%
Early on average
12 minutes
Age
16y, 2m
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 Tue, Jul 28 from LHR at approximately 10:19 PM. This flight is expected to arrrive in SIN at 6:06 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Jul 24 | London (LHR) | Singapore (SIN) | B77W | 10:28 PM | 6:35 PM | Arrived |
| Sat, Jul 25 | London (LHR) | Singapore (SIN) | B77W | 11:17 PM | 7:02 PM | Arrived |
| Sun, Jul 26 | London (LHR) | Singapore (SIN) | B77W | 10:16 PM | 6:24 PM | Arrived |
| Mon, Jul 27 | London (LHR) | Singapore (SIN) | B77W | -- | -- | Canceled |
| Tue, Jul 28 | London (LHR) | Singapore (SIN) | B77W | 10:19 PM | 6:06 PM | En route |
| Wed, Jul 29 | London (LHR) | Singapore (SIN) | B77W | 10:05 PM | 6:30 PM | Scheduled |
| Thu, Jul 30 | 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 73% (Late on average 25 minutes), and the on-time arrival rate is 97% (Early on average 12 minutes).
On-Time Departures
Punctuality
73
%
Late on average
25 minutes
Early
0
%
On time
73
%
30 mins late
23
%
60 mins late
3
%
90 mins late
0
%
Cancelled
1
%
On-Time Arrivals
Punctuality
97
%
Early on average
12 minutes
Early
67
%
On time
30
%
30 mins late
3
%
60 mins late
0
%
90 mins late
0
%
Cancelled
1
%
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