UO 646 Hong Kong to Tokyo Flight Status

Hong Kong Express Flight UO646 from Hong Kong International Airport HKG to Tokyo Narita International Airport NRT is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 31st, 2026.
Check the table below for UO646's most recent flight history:

UO 646 Flight Status & Schedule

Date Departure Arrival Status
May 31 14:00 18:53
Landed Late
Track >
May 30 13:10 18:08
Landed
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May 29 13:05 18:06
Landed
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May 28 13:13 18:23
Landed
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May 27 13:19 18:31
Landed
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Hong Kong Express UO 646 Hong Kong to Tokyo Flight Information

Hong Kong Express Flight UO646 connects Hong Kong, Hong Kong to Tokyo, Japan, taking off from Hong Kong International Airport HKG and landing at Tokyo Narita International Airport NRT.

How long is the UO646 flight from Hong Kong to Tokyo?

The average flight time from Hong Kong to Tokyo is 4 hours. The flight distance is 2962 km / 1841 miles and the average flight speed is 739 km/h / 459 mph.

How many UO646 flights are operated per week?

4 flights per week. The flight UO646 is operated on Thursday, Friday, Saturday and Sunday.

What is the On-Time Performance (OTP) of Hong Kong Express Flight UO646 Hong Kong to Tokyo?

The Airportia On-Time Performance Rating for Hong Kong Express Flight UO646 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UO646 arriving at?

Flight UO646 arrives at Tokyo Narita International Airport (NRT) Terminal 2.

When was the latest UO646 flight?

The latest flight took off on Sunday, May 31st, 2026 with the flight status being Landed on 18:53.

How else can the flight UO646 be referenced as?

This Hong Kong Express flight can also be referenced as HKE646, UO0646, UO 646, HKE 646.

How often is flight UO646 delayed?

On average, 30% of all UO646 flights are delayed. The average delay is 12 minutes.

See our UO646 Flight Tracker above for more details.

UO646 and Hong Kong HKG to Tokyo NRT Flights

Flight UO646 is code-shared by 1 airline using the flight number CX5646

Other flights departing from Hong Kong HKG: HX246, OZ722, CX400, AK236

Other flights arriving at Tokyo NRT: MS964, CA433, GK18, OZ106

All flights connecting Hong Kong HKG to Tokyo NRT.

UO646 Hong Kong Express Flight: Hong Kong to Tokyo Route Map

UO646 Hong Kong Express Flight Map: Hong Kong to Tokyo
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.