SIA321 is operated by between London Heathrow Airport (EGLL) and Singapore Changi Airport / Changi Air Base (West) (WSSS). The flight is most often flown by a BOEING Boeing 777-300ER. Typical block time is 5h 34m. SkyMeter has observed 148 legs of this flight number via ADS-B.
✈
FLIGHTS
148
last 90 days
⏱
AVG DURATION
5h 34m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/05/2026
first → last seen
🗺
ROUTES / TYPES
6 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged
Routes flown
By count · last 90 days
Aircraft types
Equipment used on this number
Safety profile
Flagged flights · last 90 days
Go-arounds
0
Unstable approach
0
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each
flag, not the total event count. See /incidents for individual events.
Recent flights
Newest 30 operations of SIA321
07/05/2026
2h 34m
No alerts
07/04/2026
2h 37m
No alerts
07/03/2026
2h 31m
No alerts
07/03/2026
9h 47m
No alerts
07/02/2026
2h 43m
No alerts
07/02/2026
13h 28m
No alerts
07/02/2026
10h 44m
No alerts
07/01/2026
13h 20m
No alerts
07/01/2026
2h 35m
No alerts
07/01/2026
2h 35m
No alerts
06/30/2026
12h 55m
No alerts
06/30/2026
2h 49m
No alerts
06/29/2026
2h 58m
No alerts
06/28/2026
2h 52m
No alerts
06/28/2026
10h 28m
No alerts
06/27/2026
2h 22m
No alerts
06/27/2026
12h 50m
No alerts
06/26/2026
2h 43m
No alerts
06/25/2026
2h 41m
No alerts
06/25/2026
12h 49m
No alerts
06/24/2026
2h 50m
No alerts
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window