OZ521 Asiana Airlines - Flight Status
Below, you can find details about Asiana Airlines flight OZ521, which currently operates between the airports of Seoul - Seoul Incheon International Airport (Airport Code ICN) and London - London Heathrow Airport (Airport Code LHR).
This flight data pertains specifically to the flight's details for Monday, July 14, 2025.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights OZ521
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights OZ521
OZ521 On Time performance:
70
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
OZ521 Asiana Airlines from Seoul
Landed - On-time
Flight Status for Monday July 14, 2025
This flight was also scheduled for Yesterday (July 13, 2025). See it here
This flight is also scheduled for Tomorrow (July 15, 2025). See it here
Landed - On-time
Flight Status for Monday July 14, 2025
Departure
Seoul (ICN)
July 14, 2025
Seoul Incheon International Airport
Departed at:
12:21
Terminal:
1
Gate:
14
Scheduled Departure Time: 12:20
Arrival
London (LHR)
July 14, 2025
London Heathrow Airport
Arrived at:
18:15
Terminal:
2
Gate:
-
Scheduled Arrival Time: 18:50
Baggage: 8
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.airport-london-heathrow.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.
Additional Information
Which is the frequency of flight OZ521?
The flight OZ521 is scheduled to flight on daily basis.
Which is the distance of flight OZ521?
The distance between the two airports is 8864 kilometers.
Which is the flight time of flight OZ521?
The scheduled flight time gate to gate is: 14:30 hours.
The real flight time gate to gate on average is: 14:21 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 Seoul: 2025-07-15 04:48:01
Current Time in London: 2025-07-14 20:48:01
The flight OZ521 is scheduled to flight on daily basis.
Which is the distance of flight OZ521?
The distance between the two airports is 8864 kilometers.
Which is the flight time of flight OZ521?
The scheduled flight time gate to gate is: 14:30 hours.
The real flight time gate to gate on average is: 14:21 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 Seoul: 2025-07-15 04:48:01
Current Time in London: 2025-07-14 20:48:01
Alternative Flights
The following airline serve the same route between Seoul and London:
Korean Air - Flight Number: KE907. (On Time performance: 66 - Average Delay: 13 minutes)
Korean Air - Flight Number: KE907. (On Time performance: 66 - Average Delay: 13 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 January 11, 2025 to July 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 July 02, 2024 to June 30, 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.
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from April 11, 2025 to July 10, 2025, we have obtained these figures.
Total number of flights: 91
On Time: 64 ( 70 % )
Moderate Delay: 13 ( 14 % )
Significant Delay: 12 ( 13 % )
Major Delay: 2 ( 2 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 12 minutes.
Total number of flights: 91
On Time: 64 ( 70 % )
Moderate Delay: 13 ( 14 % )
Significant Delay: 12 ( 13 % )
Major Delay: 2 ( 2 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 12 minutes.
Last Past Flights OZ521
Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
13 July
13 July
12:25
Seoul (ICN)
Seoul (ICN)
18:14
London (LHR)
London (LHR)
13h 49min
Airbus A350-90
Airbus A350-90
Landed - On-time
Saturday
12 July
12 July
13:09
Seoul (ICN)
Seoul (ICN)
18:58
London (LHR)
London (LHR)
13h 49min
Airbus A350-90
Airbus A350-90
Landed - On-time
Friday
11 July
11 July
12:46
Seoul (ICN)
Seoul (ICN)
18:25
London (LHR)
London (LHR)
13h 39min
Airbus A350-90
Airbus A350-90
Landed - On-time
Thursday
10 July
10 July
12:24
Seoul (ICN)
Seoul (ICN)
18:02
London (LHR)
London (LHR)
13h 38min
Airbus A350-90
Airbus A350-90
Landed - On-time
Wednesday
09 July
09 July
12:25
Seoul (ICN)
Seoul (ICN)
18:17
London (LHR)
London (LHR)
13h 52min
Airbus A350-90
Airbus A350-90
Landed - On-time
Tuesday
08 July
08 July
12:26
Seoul (ICN)
Seoul (ICN)
18:31
London (LHR)
London (LHR)
14h 05min
Airbus A350-90
Airbus A350-90
Landed - On-time
Monday
07 July
07 July
12:20
Seoul (ICN)
Seoul (ICN)
18:15
London (LHR)
London (LHR)
13h 55min
Airbus A350-90
Airbus A350-90
Landed - On-time
Sunday
06 July
06 July
12:25
Seoul (ICN)
Seoul (ICN)
18:35
London (LHR)
London (LHR)
14h 10min
Airbus A350-90
Airbus A350-90
Landed - On-time
Saturday
05 July
05 July
12:31
Seoul (ICN)
Seoul (ICN)
19:04
London (LHR)
London (LHR)
14h 33min
Airbus A350-90
Airbus A350-90
Landed - On-time
Friday
04 July
04 July
12:28
Seoul (ICN)
Seoul (ICN)
18:52
London (LHR)
London (LHR)
14h 24min
Airbus A350-90
Airbus A350-90
Landed - On-time