ESR604

Flight

Status

In progress

Departure

Narita International Airport (NRT) — Tokyo / Narita, Japan

Departed

2026-10-02 11:34 UTC (first seen)

Arrival

Incheon International Airport (ICN) — Seoul, South Korea (predicted)

Progress

36% · ~27m remaining

Distance flown

168 km

Straight-line distance

1257 km

Aircraft

Registration

HL8541

Type

Boeing 737 MAX 8

Seats

189 total (189 Economy)

Altitude & speed

Max altitude

36,000 ft

Max ground speed

373 kt

Tracked

15m · 168 km

Note

still in progress - the track so far

Altitude (ft, max 36,000)

Ground speed (kt, max 373)

Altitude (ft, max 36,000)

Ground speed (kt, max 373)

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

Korean Air (KAL)

T'way Air (TWB)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 11:34 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8541	Boeing 737 MAX 8	In progress	~1257 km est.
2026-10-02 10:11 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8541	Boeing 737 MAX 8	Incomplete (signal lost)	~1394 km est. (777 km recorded)
2026-10-01 09:50 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8542	Boeing 737 MAX 8	Completed	1371 km
2026-09-30 11:26 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8374	Boeing 737-800	Completed	454 km
2026-09-30 09:50 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8374	Boeing 737-800	Completed (landing confirmed by airport data)	~1386 km est. (748 km recorded)
2026-09-29 10:12 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8599	Boeing 737 MAX 8	Completed	1398 km
2026-09-28 09:56 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8374	Boeing 737-800	Completed	1370 km
2026-09-27 09:59 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8599	Boeing 737 MAX 8	Completed	1371 km
2026-09-26 09:59 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8599	Boeing 737 MAX 8	Completed	1382 km
2026-09-24 09:42 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8374	Boeing 737-800	Completed	1375 km
2026-09-23 10:24 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8762	Boeing 737 MAX 8	Completed	1384 km
2026-09-22 11:12 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8543	Boeing 737 MAX 8	Completed	1372 km
2026-09-20 10:09 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8541	Boeing 737 MAX 8	Completed	1433 km
2026-09-19 09:51 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8544	Boeing 737 MAX 8	Completed	1430 km
2026-09-18 09:40 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8375	Boeing 737-800	Completed	1463 km
2026-09-17 09:48 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8762	Boeing 737 MAX 8	Completed	1477 km
2026-09-16 09:50 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8541	Boeing 737 MAX 8	Completed	1410 km
2026-09-15 09:51 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8374	Boeing 737-800	Completed	1424 km
2026-09-14 09:39 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8717	Boeing 737 MAX 8	Completed	1469 km
2026-09-13 09:42 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8374	Boeing 737-800	Completed	1428 km
2026-09-11 09:40 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8375	Boeing 737-800	Completed	1435 km
2026-09-10 09:55 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8374	Boeing 737-800	Completed	1438 km
2026-09-09 11:29 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8715	Boeing 737 MAX 8	Completed	1502 km
2026-09-08 09:54 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8759	Boeing 737 MAX 8	Completed	1441 km
2026-09-07 09:39 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8375	Boeing 737-800	Completed	1411 km
2026-09-05 09:34 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8374	Boeing 737-800	Completed	1535 km
2026-09-04 10:43 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8375	Boeing 737-800	Completed	1505 km
2026-09-03 10:27 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8375	Boeing 737-800	Completed	1421 km
2026-09-02 09:41 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8546	Boeing 737-800	Completed	1413 km
2026-09-01 09:41 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8546	Boeing 737-800	Completed	1420 km
2026-08-31 09:36 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8544	Boeing 737 MAX 8	Completed	1491 km
2026-08-30 09:52 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8375	Boeing 737-800	Completed	1379 km
2026-08-29 09:54 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8374	Boeing 737-800	Completed	1480 km
2026-08-28 12:22 UTC	ESR604	ICN → ICN Seoul → Seoul	HL8546	Boeing 737-800	Completed	~7 km est. (3 km recorded)
2026-08-28 09:55 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8546	Boeing 737-800	Completed	1492 km
2026-08-27 10:58 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8375	Boeing 737-800	Completed	1388 km
2026-08-26 09:30 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8546	Boeing 737-800	Completed	1380 km
2026-08-25 09:43 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8715	Boeing 737 MAX 8	Completed	1444 km
2026-08-24 09:34 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8715	Boeing 737 MAX 8	Completed	1487 km
2026-08-23 09:53 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8544	Boeing 737 MAX 8	Completed	1986 km
2026-08-22 10:57 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8546	Boeing 737-800	Completed	2086 km
2026-08-21 09:54 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8717	Boeing 737 MAX 8	Completed	2046 km
2026-08-20 09:41 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8546	Boeing 737-800	Completed	2079 km
2026-08-19 09:44 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8541	Boeing 737 MAX 8	Completed	2178 km
2026-08-18 09:35 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8546	Boeing 737-800	Completed	2043 km
2026-08-17 09:56 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8717	Boeing 737 MAX 8	Completed	2035 km
2026-08-16 12:11 UTC	ESR604	ICN → ICN Seoul → Seoul	HL8546	Boeing 737-800	Completed	~347 km est. (0 km recorded)
2026-08-16 09:37 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8546	Boeing 737-800	Completed	2069 km
2026-08-15 11:34 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8546	Boeing 737-800	Completed	2035 km
2026-08-14 10:45 UTC	ESR604	NRT → ICN Tokyo / Narita → Seoul	HL8717	Boeing 737 MAX 8	Completed	1507 km