Seen operating · 19 dates
HK Express flight
UO 623
HK Express flight UO 623 from Tokyo to Hong Kong, usually departing 23:55 local time with about 5h 20m in the air.
Fares and airlines on HND–HKG →HND
HKG
SCHEDULED · 1,804 mi
map · d3-geo · world-atlas · live position ADSB.lol (ODbL)
23:55
Departs HND (local)
5h 20m
Scheduled flight time
2,903 km
1,804 miles
19
Operating dates seen
Flight UO 623
What we can confirm
Only figures a dated source supplied. Times are local and change with the season — check with HK Express before you fly.
Route
HND → HKG
Tokyo Haneda International Airport to Hong Kong International Airport
Usual departure
23:55 local
Most common time across 19 dates
Flight time
5h 20m
Scheduled, departure to arrival
Distance
2,903 km
Great-circle, 1,804 miles
Dates seen
23 Sept 2026 – 25 Mar 2027
19 operating dates
Where this comes from
- Nonstop fares travellers found for specific dates (Travelpayouts fare data)
- VRS standing-data community route database (CC0) lists the same airports.
Data refreshed 11 Sept 2026. We never estimate a time or route to fill a gap.
From the window seat
#UO623 on the grid
Public posts tagged #UO623 on YouTube, Bluesky and Mastodon.
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