Asiana Airlines
OZ521 Flight Status
According to Trip.com real-time data, the OZ521 flight operated by Asiana Airlines on Oct 2, 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 13:46 (local time in London, UTC+1) .
Thu, Oct 1
Fri, Oct 2
Wed, Dec 16
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Arrived
The flight has arrived 3m late
14h 30m
Check-in Counter
G17-J40
Boarding Gate
257
Arrival Gate
--
Baggage
9
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Scheduled
Your flight will depart on time.
14h 30m
Check-in Counter
G17-J40
Boarding Gate
255
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
14h 40m
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 10/2/2026 is operated by the aircraft model Airbus A350 XWB. This aircraft has been in service for 7y, 2m. The aircraft is equipped with 275 seats.
Airbus A350 XWB
Punctuality (Departure)
50
%
Punctuality (Arrival)
93
%
Late on average
1 minute
Age
7y, 2m
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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Recent Flight History for OZ521
Trip.com historical records show that the last OZ521 flight departed on Thu, Oct 1 from ICN at approximately 08:13. This flight is expected to arrrive in LHR at 14:23.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Sep 26 | Seoul (ICN) | London (LHR) | 359 | 08:12 | 14:14 | Arrived |
| Sun, Sep 27 | Seoul (ICN) | London (LHR) | 359 | 08:20 | 14:42 | Arrived |
| Mon, Sep 28 | Seoul (ICN) | London (LHR) | 359 | 08:15 | 14:03 | Arrived |
| Tue, Sep 29 | Seoul (ICN) | London (LHR) | 359 | 08:11 | 14:22 | Arrived |
| Wed, Sep 30 | Seoul (ICN) | London (LHR) | 359 | 08:11 | 14:41 | Arrived |
| Thu, Oct 1 | Seoul (ICN) | London (LHR) | 359 | 08:13 | 14:23 | Arrived |
| Fri, Oct 2 | Seoul (ICN) | London (LHR) | 359 | 07:50 | 13:46 | Scheduled |
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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 50% (Late on average 37 minutes), and the on-time arrival rate is 93% (Late on average 1 minute).
On-Time Departures
Punctuality
50
%
Late on average
37 minutes
Early
0
%
On time
50
%
30 mins late
40
%
60 mins late
7
%
90 mins late
3
%
Cancelled
0
%
On-Time Arrivals
Punctuality
93
%
Late on average
1 minute
Early
50
%
On time
43
%
30 mins late
3
%
60 mins late
3
%
90 mins late
0
%
Cancelled
0
%
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Frequently Asked Questions
-
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 Oct 2, 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 Oct 2, 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 13:46. Status is Scheduled as of Oct 2, 2026. -
What is the gate information for flight oz521?
For flight oz521, the departure terminal is T2 and the boarding gate is 255. 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 Friday. -
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 Oct 2, 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 XWB 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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Intermittent clouds
|
12°C - 21°C
Weather forecast for your arrival day
-8 hour time difference
Time on arrival: Seoul 21:46
|
London 13:46
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