Informational Guide to Seoul Incheon International Airport (ICN) - Non Official

HX623 Hong Kong Airlines - Flight Status

Below, you can find details about Hong Kong Airlines flight HX623, which currently operates between the airports of Seoul - Seoul Incheon International Airport (Airport Code ICN) and Hong Kong - Hong Kong International Airport (Airport Code HKG).
This flight data pertains specifically to the flight's details for Thursday, October 02, 2025.

HX623 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

HX623 Hong Kong Airlines to Hong Kong

En Route - On-time
Flight Status for Thursday October 02, 2025
This flight was also scheduled for Yesterday (October 01, 2025). See it here
This flight is also scheduled for Tomorrow (October 03, 2025). See it here

Airline information

Hong Kong Airlines
Hong Kong Airlines
Equipment: Airbus A321 (sharklets)

Departure

Seoul (ICN)
October 02, 2025
Seoul Incheon International Airport
Departed at:
21:06
Terminal:
1
Gate:
42
Scheduled Departure Time: 20:40

Arrival

Hong Kong (HKG)
October 02, 2025
Hong Kong International Airport
Estimated Arrival Time:
23:45
Terminal:
1
Gate:
-
Scheduled Arrival Time: 23:45
Baggage: 15
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.seoul-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:

- OZ9291 - Asiana Airlines

Additional Information

Which is the frequency of flight HX623?
The flight HX623 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday on a weekly basis.

Which is the distance of flight HX623?
The distance between the two airports is 2067 kilometers.

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 Seoul: 2025-10-02 22:24:45
Current Time in Hong Kong: 2025-10-02 21:24:45

Alternative Flights

The following airlines serves the same route between Seoul and Hong Kong:

Jeju Air
- Flight Number: 7C6021. (On Time performance: 88 - Average Delay: 16 minutes)

Air Premia
- Flight Number: YP801. (On Time performance: 89 - Average Delay: 31 minutes)

Cathay Pacific
- Flight Number: CX411. (On Time performance: 46 - Average Delay: 47 minutes)
- Flight Number: CX417. (On Time performance: 80 - Average Delay: 16 minutes)
- Flight Number: CX419. (On Time performance: 53 - Average Delay: 28 minutes)
- Flight Number: CX439. (On Time performance: 65 - Average Delay: 17 minutes)

Hong Kong Airlines
- Flight Number: HX629. (On Time performance: 63 - Average Delay: 23 minutes)

Korean Air
- Flight Number: KE173. (On Time performance: 93 - Average Delay: 5 minutes)
- Flight Number: KE175. (On Time performance: 66 - Average Delay: 15 minutes)
- Flight Number: KE177. (On Time performance: 54 - Average Delay: 21 minutes)

Asiana Airlines
- Flight Number: OZ721. (On Time performance: 61 - Average Delay: 18 minutes)

T'way Air
- Flight Number: TW643. (On Time performance: 71 - Average Delay: 15 minutes)

HK Express
- Flight Number: UO615. (On Time performance: 74 - Average Delay: 16 minutes)
- Flight Number: UO619. (On Time performance: 82 - Average Delay: 6 minutes)
- Flight Number: UO627. (On Time performance: 76 - Average Delay: 14 minutes)
- Flight Number: UO631. (On Time performance: 54 - Average Delay: 26 minutes)

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Weekday: We have gathered available data from last six months, spanning from March 29, 2025 to June 10, 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: We have gathered available data from last twelve closed months, spanning from December 13, 2024 to June 10, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights HX623

Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
01 October
21:26
Seoul (ICN)
23:56
Hong Kong (HKG)
03h 30min
Airbus A321 (s
Airbus A321 (s
Landed - On-time
Tuesday
30 September
20:55
Seoul (ICN)
23:27
Hong Kong (HKG)
03h 32min
Airbus A321 (s
Airbus A321 (s
Landed - On-time
Monday
29 September
20:49
Seoul (ICN)
23:30
Hong Kong (HKG)
03h 41min
Airbus A330-30
Airbus A330-30
Landed - On-time