JAL639 is operated by between Tokyo Haneda International Airport (RJTT) and Kumamoto Airport (RJFT). The flight is most often flown by a BOEING Boeing 767-300. Typical block time is 1h 35m. SkyMeter has observed 23 legs of this flight number via ADS-B.
✈
FLIGHTS
23
last 90 days
⏱
AVG DURATION
1h 35m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
3 / 1
city pairs · airframes
⚠
INCIDENT RATE
17.4%
4 flagged
Aircraft types
Equipment used on this number
Safety profile
Flagged flights · last 90 days
Go-arounds
0
Unstable approach
4
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 23 operations of JAL639
05/18/2026
1h 26m
△ Unstable
04/25/2026
1h 45m
△ Unstable
04/23/2026
1h 40m
△ Unstable
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window