AAR8921

For travellers

Departure · Seoul (GMP)

Gate 10

Scheduled 01 Oct 08:20 · Departed 01 Oct 08:37 · +17 min

Board status: Departed

Airborne since 01 Oct 08:24 (ADS-B)

Arrival · Jeju City (CJU)

Gate 4

Scheduled 01 Oct 09:35 · Landed 01 Oct 09:29 · early

Board status: Arrived

Landed 01 Oct 09:29 (airport data)

Board data from cju, gmp, updated 1602 min ago; times local to each airport.

Flight

Status

Completed (landing confirmed by airport data)

Arrival confirmed via

Airport data (confirmed)

Departure

Gimpo International Airport (GMP) — Seoul, South Korea

Scheduled departure

2026-09-30 23:20 UTC

Departed

2026-09-30 23:24 UTC

Arrival

Jeju International Airport (CJU) — Jeju City, South Korea

Scheduled arrival

2026-10-01 00:35 UTC

Also flies as

OZ8921

Distance flown

444 km

Straight-line distance

451 km

Approach distance

11 km

Aircraft

Registration

HL8018

Type

Airbus A321

Seats

171 total (159 Travel, 12 Business)

CO2 (EMEP est., total)

15.5 t (86 kg/pax Economy, 120 kg/pax Business)

Altitude & speed

Max altitude

20,000 ft

Max ground speed

431 kt

Tracked

51m · 442 km

Altitude (ft, max 20,000)

Ground speed (kt, max 431)

Altitude (ft, max 20,000)

Ground speed (kt, max 431)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airlines

Air Seoul (ASV)

Jin Air (JNA)

Korean Air (KAL)

T'way Air (TWB)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-01 23:31 UTC	AAR8921	GMP → CJU Seoul → Jeju City	HL8071	Airbus A321	Completed (landing confirmed by airport data)	~522 km est. (397 km recorded)
2026-09-30 23:24 UTC	AAR8921	GMP → CJU Seoul → Jeju City	HL8018	Airbus A321	Completed (landing confirmed by airport data)	444 km
2026-09-29 23:23 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8018	Airbus A321	Incomplete (signal lost)	~580 km est. (413 km recorded)
2026-09-28 23:22 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8277	Airbus A321	Incomplete (signal lost)	~559 km est. (399 km recorded)
2026-09-27 23:22 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8277	Airbus A321	Incomplete (signal lost)	~563 km est. (402 km recorded)
2026-09-26 23:22 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8074	Airbus A321	Incomplete (signal lost)	~608 km est. (420 km recorded)
2026-09-26 00:33 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8277	Airbus A321	Incomplete (signal lost)	~553 km est. (397 km recorded)
2026-09-24 23:31 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8071	Airbus A321	Incomplete (signal lost)	~562 km est. (395 km recorded)
2026-09-23 23:24 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8018	Airbus A321	Incomplete (signal lost)	~563 km est. (402 km recorded)
2026-09-22 23:24 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8279	Airbus A321	Incomplete (signal lost)	~565 km est. (397 km recorded)
2026-09-21 23:24 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8279	Airbus A321	Incomplete (signal lost)	~544 km est. (384 km recorded)
2026-09-20 23:21 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8071	Airbus A321	Incomplete (signal lost)	~577 km est. (409 km recorded)
2026-09-19 23:23 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8279	Airbus A321	Incomplete (signal lost)	~596 km est. (429 km recorded)
2026-09-18 23:38 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8018	Airbus A321	Incomplete (signal lost)	~573 km est. (415 km recorded)
2026-09-17 23:19 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8074	Airbus A321	Incomplete (signal lost)	~570 km est. (409 km recorded)
2026-09-16 23:22 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8074	Airbus A321	Incomplete (signal lost)	~570 km est. (411 km recorded)
2026-09-15 23:22 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8071	Airbus A321	Incomplete (signal lost)	~571 km est. (410 km recorded)
2026-09-14 23:27 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8277	Airbus A321	Incomplete (signal lost)	576 km
2026-09-13 23:20 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8038	Airbus A321	Incomplete (signal lost)	~573 km est. (418 km recorded)
2026-09-12 23:26 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8071	Airbus A321	Incomplete (signal lost)	~562 km est. (407 km recorded)
2026-09-11 23:23 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8074	Airbus A321	Incomplete (signal lost)	~677 km est. (481 km recorded)
2026-09-10 23:23 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8074	Airbus A321	Incomplete (signal lost)	~613 km est. (438 km recorded)
2026-09-09 23:25 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8074	Airbus A321	Incomplete (signal lost)	~581 km est. (424 km recorded)
2026-09-07 23:24 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8060	Airbus A321	Incomplete (signal lost)	~662 km est. (462 km recorded)
2026-09-06 23:24 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8060	Airbus A321	Incomplete (signal lost)	~567 km est. (411 km recorded)
2026-09-05 23:23 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8060	Airbus A321	Incomplete (signal lost)	~559 km est. (401 km recorded)
2026-09-04 23:25 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8277	Airbus A321	Incomplete (signal lost)	~611 km est. (427 km recorded)
2026-09-03 23:22 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8277	Airbus A321	Incomplete (signal lost)	~587 km est. (427 km recorded)
2026-09-02 23:35 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8038	Airbus A321	Completed	~558 km est. (403 km recorded)
2026-09-02 12:16 UTC	AAR8921	CJJ → GMP Cheongju → Seoul	HL8038	Airbus A321	Completed	727 km
2026-09-01 23:26 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8074	Airbus A321	Completed	~562 km est. (407 km recorded)
2026-08-30 23:21 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8060	Airbus A321	Completed	~565 km est. (409 km recorded)
2026-08-29 23:24 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8039	Airbus A321	Completed	~672 km est. (470 km recorded)
2026-08-28 23:23 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8060	Airbus A321	Completed	~580 km est. (424 km recorded)
2026-08-27 23:20 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8074	Airbus A321	Completed	~532 km est. (382 km recorded)
2026-08-26 23:27 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8277	Airbus A321	Completed	~570 km est. (415 km recorded)
2026-08-25 23:22 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8277	Airbus A321	Completed	474 km
2026-08-24 23:31 UTC	AAR8921	GMP → RSU Seoul → Yeosu	HL8277	Airbus A321	Completed	531 km
2026-08-23 23:23 UTC	AAR8921	GMP → GMP Seoul → Seoul	HL8060	Airbus A321	Completed	~821 km est. (409 km recorded)
2026-08-21 23:30 UTC	AAR8921	GMP → GMP Seoul → Seoul	HL8060	Airbus A321	Completed	~1152 km est. (739 km recorded)
2026-08-20 23:21 UTC	AAR8921	GMP → GMP Seoul → Seoul	HL8060	Airbus A321	Completed	~988 km est. (571 km recorded)
2026-08-19 23:23 UTC	AAR8921	GMP → GMP Seoul → Seoul	HL8071	Airbus A321	Completed	~1014 km est. (587 km recorded)
2026-08-18 23:21 UTC	AAR8921	GMP → GMP Seoul → Seoul	HL8071	Airbus A321	Completed	~1005 km est. (577 km recorded)
2026-08-17 23:21 UTC	AAR8921	GMP → ? Seoul → ?	HL8071	Airbus A321	Completed	574 km
2026-08-16 23:27 UTC	AAR8921	GMP → ? Seoul → ?	HL8060	Airbus A321	Completed	571 km
2026-08-15 23:30 UTC	AAR8921	GMP → ? Seoul → ?	HL8279	Airbus A321	Completed	753 km
2026-08-10 23:33 UTC	AAR8921	GMP → GMP Seoul → Seoul	HL8004	Airbus A321	Completed	~2 km est. (0 km recorded)
2026-08-10 23:33 UTC	AAR8921	GMP → GMP Seoul → Seoul	HL8004	Airbus A321	Completed	~2 km est. (0 km recorded)
2026-08-10 23:33 UTC	AAR8921	GMP → GMP Seoul → Seoul	HL8004	Airbus A321	Completed	~3 km est. (0 km recorded)
2026-08-10 23:32 UTC	AAR8921	GMP → GMP Seoul → Seoul	HL8004	Airbus A321	Completed	~3 km est. (0 km recorded)