Asiana Airlines
OZ521 Flight status
According to Trip.com real-time data, the OZ521 flight operated by Asiana Airlines on Sep 8, 2026 is scheduled to fly from Seoul (ICN) to London (LHR). The flight is expected to depart at 07:50 (local time in Seoul, UTC+9) and land at 14:20 (local time in London, UTC+1)
Mon, Sep 7
Tue, Sep 8
Wed, Sep 9
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Arrived
The flight has arrived 23m late
14h 30m
Check-in Counter
G17-J40
Boarding Gate
252
Arrival Gate
--
Baggage
9
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Scheduled
Your flight will depart on time.
14h 30m
Check-in Counter
G17-J40
Boarding Gate
278
Arrival Gate
--
Baggage
--
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Cancelled
Please refer to the airline for the latest information
14h 30m
Check-in Counter
G-K
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlight.
Please refer to airport announcements for the most up-to-date information.
You can also explore more flights from Seoul to London or track other flights with our flight status tracker.
OZ521 Aircraft Details
According to Trip.com real-time data, the OZ521 flight flying from Seoul to London on 9/8/2026 is operated by the aircraft model Airbus A350-900. This aircraft has been in service for 7y, 7m. The aircraft is equipped with 275 seats.
Airbus A350-900
Punctuality (Departure)
40
%
Punctuality (Arrival)
90
%
Late on average
0 minutes
Age
7y, 7m
Seats
275
Flight Distance
--
Economy
Business
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
--
Legroom
46 cm
Seat width better than on 25% of flights
110°
Reclining Angle
3-3-3
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
196 cm
More legroom than on 50% of flights
56 cm
Seat width better than on 50% of flights
180°
Reclining Angle
Fully reclinable
1-2-1
Seat layout example
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Flight History for OZ521
Trip.com historical records show that the last OZ521 flight departed on Mon, Sep 7 from ICN at approximately 08:37. This flight is expected to arrrive in LHR at 14:43.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Sep 3 | Seoul (ICN) | London (LHR) | 359 | 08:30 | 14:36 | Arrived |
| Fri, Sep 4 | Seoul (ICN) | London (LHR) | 359 | 08:19 | 14:12 | Arrived |
| Sat, Sep 5 | Seoul (ICN) | London (LHR) | 359 | 08:41 | 14:50 | Arrived |
| Sun, Sep 6 | Seoul (ICN) | London (LHR) | 359 | 08:18 | 14:30 | Arrived |
| Mon, Sep 7 | Seoul (ICN) | London (LHR) | 359 | 08:37 | 14:43 | Arrived |
| Tue, Sep 8 | Seoul (ICN) | London (LHR) | 359 | 07:50 | 14:20 | Scheduled |
| Wed, Sep 9 | Seoul (ICN) | London (LHR) | JET | -- | -- | Cancelled |
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OZ521 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of OZ521 is 40% (Late on average 41 minutes), and the on-time arrival rate is 90% (Early on average 0 minutes).
On-Time Departures
Punctuality
40
%
Late on average
41 minutes
Early
0
%
On time
40
%
30 mins late
43
%
60 mins late
13
%
90 mins late
3
%
Cancelled
0
%
On-Time Arrivals
Punctuality
90
%
Early on average
0 minutes
Early
50
%
On time
40
%
30 mins late
7
%
60 mins late
3
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
-
What is the current status of flight oz521?
Flight oz521 has not departed yet and is currently on schedule. Scheduled departure 07:50, arrival 14:20 (updated Sep 8, 2026). -
Is flight oz521 on time today?
Flight oz521 has not departed yet and is currently on schedule. Scheduled departure is 07:50, with arrival at 14:20. Recheck gate and timing before you head to the airport. -
Has flight oz521 departed yet? What is the departure time?
Flight oz521 is scheduled to depart at 07:50. The latest actual or estimated departure time is 07:50, and the current status is Scheduled (updated Sep 8, 2026). -
When is flight oz521 scheduled to arrive?
Flight oz521 is scheduled to arrive at 14:20. The latest estimated or actual arrival time is 14:20. Status is Scheduled as of Sep 8, 2026. -
What is the gate information for flight oz521?
For flight oz521, the departure terminal is T2 and the boarding gate is 278. Gate assignments can change at short notice—confirm on airport screens before heading to security. -
What route does flight oz521 fly?
Flight oz521 is operated by Asiana Airlines from Seoul (ICN) to London (LHR). Typical flight time is about 14 hours 30 minutes; operating days may include Tuesday. -
How can I check real-time status for flight oz521?
Track flight oz521 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications. -
If flight oz521 is delayed or canceled, what should I do?
If oz521 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 8, 2026). Contact Asiana Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com. -
Has flight oz521 departed from Seoul?
Flight oz521 has not departed from Seoul (ICN) yet and is currently on schedule for 07:50. -
What is the seat configuration for flight oz521?
Flight oz521 usually flies a Airbus A350-900 with seat layout 3-3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Arrival Info: London Weather & Current Time
Partly clear with showers
|
11°C - 20°C
Weather forecast for your arrival day
-8 hour time difference
Time on arrival: Seoul 22:20
|
London 14:20
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