3U3974

For travellers

Departure · Seoul (ICN)

Terminal T1 · Gate 47 · Check-in D30-D34

Scheduled 14:50 · Departed 15:10 · +20 min

Board status: Departure

Airborne since 15:10 (ADS-B)

Board data from incheon, updated 57 min ago; times local to each airport.

Flight

Status

In progress

Departure

Incheon International Airport (ICN) — Seoul, South Korea

Scheduled departure

2026-10-03 05:50 UTC

Departed

2026-10-03 06:10 UTC

Arrival

Chengdu Tianfu International Airport (TFU) — Chengdu, China (scheduled)

Progress

97%

Distance flown

2276 km

Straight-line distance

2204 km

Aircraft

Registration

B-6839

Type

Airbus A321

Seats

194 total (8 Business, 186 Economy)

CO2 (EMEP est., total)

64.0 t (317 kg/pax Economy, 648 kg/pax Business)

Altitude & speed

Max altitude

32,150 ft

Max ground speed

421 kt

Tracked

3h 10m · 2,276 km

Note

still in progress - the track so far

Altitude (ft, max 32,150)

Ground speed (kt, max 421)

Altitude (ft, max 32,150)

Ground speed (kt, max 421)

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 China (CCA)

Sichuan Airlines (CSC)

China Southern Airlines (CSN)

Grand China Air (GDC)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-03 06:10 UTC	CSC3974	ICN → TFU Seoul → Chengdu	B-6839	Airbus A321	In progress	~2204 km est.
2026-10-01 05:59 UTC	CSC3974	ICN → TFU Seoul → Chengdu	B-6957	Airbus A321	Incomplete (signal lost)	2250 km
2026-09-29 06:19 UTC	CSC3974	ICN → TFU Seoul → Chengdu	B-6387	Airbus A321	Incomplete (signal lost)	2244 km
2026-09-26 05:56 UTC	CSC3974	ICN → TFU Seoul → Chengdu	B-9967	Airbus A321	Incomplete (signal lost)	2259 km
2026-09-24 05:59 UTC	CSC3974	ICN → TFU Seoul → Chengdu	B-325F	Airbus A321 Neo	Incomplete (signal lost)	2224 km
2026-09-19 05:50 UTC	CSC3974	ICN → TFU Seoul → Chengdu	B-6590	Airbus A321	Incomplete (signal lost)	2261 km
2026-09-17 05:43 UTC	CSC3974	ICN → TFU Seoul → Chengdu	B-6839	Airbus A321	Incomplete (signal lost)	2332 km
2026-09-15 05:59 UTC	CSC3974	ICN → TFU Seoul → Chengdu	B-9937	Airbus A321	Incomplete (signal lost)	1983 km
2026-09-12 05:42 UTC	CSC3974	ICN → TFU Seoul → Chengdu	B-6718	Airbus A321	Incomplete (signal lost)	~3973 km est. (3089 km recorded)
2026-09-10 06:14 UTC	CSC3974	ICN → TFU Seoul → Chengdu	B-1823	Airbus A321	Incomplete (signal lost)	2288 km