| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 18 | SYX | HKG | 21:58 | 23:01 |
Landed
|
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| Oct 16 | SYX | HKG | 11:25 | 12:25 |
Landed
|
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| Oct 15 | SYX | HKG | 21:52 | 22:58 |
Landed
|
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| Oct 12 | SYX | HKG | 11:27 | 12:27 |
Landed
|
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| Oct 11 | SYX | HKG | 21:52 | 22:57 |
Landed
|
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| Oct 09 | SYX | HKG | 11:26 | 12:42 |
Landed
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| Oct 08 | SYX | HKG | 21:45 | 22:49 |
Landed
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| Oct 05 | SYX | HKG | 11:36 | 12:49 |
Landed
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| Oct 04 | SYX | HKG | 21:50 | 22:50 |
Landed
|
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| Oct 02 | SYX | HKG | 11:30 | 12:46 |
Landed
|
Track > |
Hong Kong Express Flight UO251 connects Sanya, China to Hong Kong, Hong Kong, taking off from Sanya Phoenix International Airport SYX and landing at Hong Kong International Airport HKG.
How long is the UO251 flight from Sanya to Hong Kong?
The average flight time from Sanya to Hong Kong is 1 hour and 6 minutes. The flight distance is 647 km / 402 miles and the average flight speed is 590 km/h / 367 mph.
How many UO251 flights are operated per week?
4 flights per week. The flight UO251 is operated on Monday, Thursday, Friday and Sunday.
What is the On-Time Performance (OTP) of Hong Kong Express Flight UO251 Sanya to Hong Kong?
The Airportia On-Time Performance Rating for Hong Kong Express Flight UO251 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UO251 arriving at?
Flight UO251 arrives at Hong Kong International Airport (HKG) Terminal 1.
When was the latest UO251 flight?
The latest flight took off on Sunday, October 18th, 2026 with the flight status being Landed on 23:01.
How else can the flight UO251 be referenced as?
This Hong Kong Express flight can also be referenced as HKE251, UO0251, UO 251, HKE 251.
How often is flight UO251 delayed?
On average, 20% of all UO251 flights are delayed. The average delay is 2 minutes.
See our UO251 Flight Tracker above for more details.
Flight UO251 is code-shared by 1 airline using the flight number CX5251
Other flights departing from Sanya SYX: JD5587, 9H8352, OQ2332, HU7309
Other flights arriving at Hong Kong HKG: UO647, UO695, CX778, UO755
All flights connecting Sanya SYX to Hong Kong HKG.
