UO543 HK Express - Flight Status
Codeshare Flights
The flight CX5543 from Cathay Pacific (CX) is a codeshare flight operated by HK Express (UO) under the flight number UO543. Check this page for details about flight UO543.
Below, you can find details about HK Express flight UO543, which currently operates between the airports of Hanoi - Hanoi Noi Bai International Airport (Airport Code HAN) and Hong Kong - Hong Kong International Airport (Airport Code HKG).
This flight data pertains specifically to the flight's details for Tuesday, December 02, 2025.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UO543
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UO543
UO543 On Time performance:
92
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays Flight Status
UO543 HK Express to Hong Kong
En Route - On-time
Flight Status for Tuesday December 02, 2025
En Route - On-time
Flight Status for Tuesday December 02, 2025
Departure
Hanoi (HAN)
December 02, 2025
Hanoi Noi Bai International Airport
Departed at:
21:56
Terminal:
2
Gate:
33
Scheduled Departure Time: 21:55
Arrival
Hong Kong (HKG)
December 03, 2025
Hong Kong International Airport
Estimated Arrival Time:
00:36
Terminal:
1
Gate:
-
Scheduled Arrival Time: 00:55
Baggage: 3
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.hanoi-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- CX5543 - Cathay Pacific
Additional Information
Which is the frequency of flight UO543?
The flight UO543 is scheduled to flight on Tuesday, Friday, Sunday on a weekly basis.
Which is the distance of flight UO543?
The distance between the two airports is 849 kilometers.
Which is the flight time of flight UO543?
The scheduled flight time gate to gate is: 02:00 hours.
The real flight time gate to gate on average is: 01:40 hours.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Hanoi: 2025-12-02 22:43:40
Current Time in Hong Kong: 2025-12-02 23:43:40
The flight UO543 is scheduled to flight on Tuesday, Friday, Sunday on a weekly basis.
Which is the distance of flight UO543?
The distance between the two airports is 849 kilometers.
Which is the flight time of flight UO543?
The scheduled flight time gate to gate is: 02:00 hours.
The real flight time gate to gate on average is: 01:40 hours.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Hanoi: 2025-12-02 22:43:40
Current Time in Hong Kong: 2025-12-02 23:43:40
Alternative Flights
The following airlines serves the same route between Hanoi and Hong Kong:
Cathay Pacific
- Flight Number: CX740. (On Time performance: 67 - Average Delay: 14 minutes)
- Flight Number: CX742. (On Time performance: 63 - Average Delay: 15 minutes)
HK Express
- Flight Number: UO541. (On Time performance: 90 - Average Delay: 4 minutes)
Vietnam Airlines
- Flight Number: VN592. (On Time performance: 72 - Average Delay: 10 minutes)
Cathay Pacific
- Flight Number: CX740. (On Time performance: 67 - Average Delay: 14 minutes)
- Flight Number: CX742. (On Time performance: 63 - Average Delay: 15 minutes)
HK Express
- Flight Number: UO541. (On Time performance: 90 - Average Delay: 4 minutes)
Vietnam Airlines
- Flight Number: VN592. (On Time performance: 72 - Average Delay: 10 minutes)
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from October 26, 2025 to November 23, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from October 26, 2025 to November 23, 2025, we have obtained these figures.
Total number of flights: 13
On Time: 12 ( 92 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 1 ( 8 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 6 minutes.
Total number of flights: 13
On Time: 12 ( 92 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 1 ( 8 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 6 minutes.
Last Past Flights UO543
Date
Departure
Arrival
Duration
Aircraft
Status
Monday
01 December
01 December
22:10
Hanoi (HAN)
Hanoi (HAN)
00:43
Hong Kong (HKG)
Hong Kong (HKG)
01h 33min
Airbus A321neo
Airbus A321neo
Landed - On-time
Saturday
29 November
29 November
22:07
Hanoi (HAN)
Hanoi (HAN)
00:48
Hong Kong (HKG)
Hong Kong (HKG)
01h 41min
Airbus A321neo
Airbus A321neo
Landed - On-time
Wednesday
26 November
26 November
22:02
Hanoi (HAN)
Hanoi (HAN)
00:40
Hong Kong (HKG)
Hong Kong (HKG)
01h 38min
Airbus A321 (s
Airbus A321 (s
Landed - On-time
Monday
24 November
24 November
23:44
Hanoi (HAN)
Hanoi (HAN)
00:35
Hong Kong (HKG)
Hong Kong (HKG)
23h 51min
Airbus A320neo
Airbus A320neo
Landed - On-time
Saturday
22 November
22 November
22:11
Hanoi (HAN)
Hanoi (HAN)
00:47
Hong Kong (HKG)
Hong Kong (HKG)
01h 36min
Airbus A321neo
Airbus A321neo
Landed - On-time
Wednesday
19 November
19 November
22:21
Hanoi (HAN)
Hanoi (HAN)
01:04
Hong Kong (HKG)
Hong Kong (HKG)
01h 43min
Airbus A321neo
Airbus A321neo
Landed - On-time
Monday
17 November
17 November
21:47
Hanoi (HAN)
Hanoi (HAN)
00:25
Hong Kong (HKG)
Hong Kong (HKG)
01h 38min
Airbus A321neo
Airbus A321neo
Landed - On-time
Saturday
15 November
15 November
22:05
Hanoi (HAN)
Hanoi (HAN)
00:44
Hong Kong (HKG)
Hong Kong (HKG)
01h 39min
Airbus A321neo
Airbus A321neo
Landed - On-time
Wednesday
12 November
12 November
21:47
Hanoi (HAN)
Hanoi (HAN)
00:31
Hong Kong (HKG)
Hong Kong (HKG)
01h 44min
Airbus A320neo
Airbus A320neo
Landed - On-time
Monday
10 November
10 November
22:05
Hanoi (HAN)
Hanoi (HAN)
00:46
Hong Kong (HKG)
Hong Kong (HKG)
01h 41min
Airbus A321neo
Airbus A321neo
Landed - On-time
