TWB644 is operated by between Hong Kong International Airport (VHHH) and Incheon International Airport (RKSI). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 3h 27m. SkyMeter has observed 85 legs of this flight number via ADS-B.
✈
FLIGHTS
85
last 90 days
⏱
AVG DURATION
3h 27m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/23/2026
first → last seen
🗺
ROUTES / TYPES
4 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.2%
1 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
1
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 TWB644
08/15/2026
3h 35m
No alerts
08/09/2026
3h 14m
No alerts
08/08/2026
3h 38m
No alerts
08/07/2026
3h 37m
No alerts
08/06/2026
3h 32m
No alerts
08/05/2026
3h 30m
No alerts
08/03/2026
3h 16m
No alerts
07/30/2026
3h 13m
△ Low approach-stability score
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window