ZE261

GMP → CJU · Boeing 737-800 · Korean Air

For travellers

Departure · Seoul (GMP)

Gate 12

Scheduled 06:10 · Departed 06:25 · +15 min

Board status: Departed

Airborne since 06:24 (ADS-B)

Arrival · Jeju City (CJU)

Gate 1

Scheduled 07:25 · Landed 07:16 · early

Board status: Arrived

Landed 07:16 (airport data)

Board data from cju, gmp, updated 5 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

2026-10-03 21:10 UTC

Departed

2026-10-03 21:24 UTC

Arrival

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

Scheduled arrival

2026-10-03 22:25 UTC

Estimated arrival

2026-10-03 22:13 UTC

Distance flown

383 km

Straight-line distance

451 km

Aircraft

Registration

HL8587

Type

Boeing 737-800

Seats

147 total (135 Economy, 12 Prestige) (typical for type, not this tail)

CO2 (EMEP est., total)

10.5 t (105 kg/pax Business, 51 kg/pax Economy)

Altitude & speed

Max altitude

22,000 ft

Max ground speed

419 kt

Tracked

35m · 381 km

Altitude (ft, max 22,000)

Ground speed (kt, max 419)

Altitude (ft, max 22,000)

Ground speed (kt, max 419)

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

Eastar Jet (ESR)

Korean Air (KAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-03 21:24 UTC	ESR261	GMP → CJU Seoul → Jeju City	HL8587	Boeing 737-800	Completed (landing confirmed by airport data)	~497 km est. (383 km recorded)
2026-10-02 21:28 UTC	ESR261	GMP → CJU Seoul → Jeju City	HL8784	Boeing 737 MAX 8	Completed (landing confirmed by airport data)	~517 km est. (406 km recorded)

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