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RS903

GMP → CJU · Airbus A321 · Air Seoul

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For travellers

Departure · Seoul (GMP)

Gate 16
Scheduled 09:45 · Departed 10:08 · +23 min
Board status: Departed
Airborne since 09:57 (ADS-B)

Arrival · Jeju City (CJU)

Gate 4
Scheduled 11:00 · Estimated 11:00
In the air (85% of the route flown)

Board data from cju, gmp, updated 12 min ago; times local to each airport.

Flight

Status
In progress
Departure
Gimpo International Airport (GMP) — Seoul, South Korea
Scheduled departure
2026-10-04 00:45 UTC
Departed
2026-10-04 00:57 UTC
Arrival
Jeju International Airport (CJU) — Jeju City, South Korea (scheduled)
Scheduled arrival
2026-10-04 02:00 UTC
Estimated arrival
2026-10-04 02:00 UTC
Progress
85%
Distance flown
393 km
Straight-line distance
451 km

Aircraft

Registration
HL8072
Type
Airbus A321
Seats
220 total (220 Economy)

Altitude & speed

Max altitude
24,025 ft
Max ground speed
436 kt
Tracked
45m · 393 km
Note
still in progress - the track so far
Altitude (ft, max 24,025)
012,97425,9470m30m
Ground speed (kt, max 436)
02354710m30m
Altitude (ft, max 24,025)
012,97425,9470m
Ground speed (kt, max 436)
02354710m

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

Airline

Air Seoul (ASV)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-04 00:57 UTC ASV903 GMP → CJU
Seoul → Jeju City
 HL8072 Airbus A321 In progress ~451 km est.
2026-10-03 01:08 UTC ASV903 GMP → CJU
Seoul → Jeju City
 HL8072 Airbus A321 Completed (landing confirmed by airport data) ~500 km est. (385 km recorded)
2026-10-02 00:58 UTC ASV903 GMP → CJU
Seoul → Jeju City
 HL8072 Airbus A321 Completed (landing confirmed by airport data) ~521 km est. (398 km recorded)
2026-10-01 00:59 UTC ASV903 GMP → CJU
Seoul → Jeju City
 HL8072 Airbus A321 Completed (landing confirmed by airport data) ~519 km est. (391 km recorded)
2026-09-30 22:45 UTC ASV903 GMP → GMP
Seoul → Seoul
 HL8072 Airbus A321 Completed 385 km

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