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ESR221

GMP → CJU · Boeing 737-800 · T'way Air

For travellers

Departure · Seoul (GMP)

Gate 18
Scheduled 03 Oct 15:00 · Departed 03 Oct 15:56 · +56 min
Board status: Departed
Airborne since 03 Oct 15:44 (ADS-B)

Arrival · Jeju City (CJU)

Gate 1
Scheduled 03 Oct 16:20 · Landed 03 Oct 16:47 · +27 min
Board status: Arrived
Landed 03 Oct 16:47 (airport data)

Board data from cju, gmp, updated 1331 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 06:00 UTC
Departed
2026-10-03 06:44 UTC
Arrival
Jeju International Airport (CJU) — Jeju City, South Korea
Scheduled arrival
2026-10-03 07:20 UTC
Estimated arrival
2026-10-03 07:44 UTC
Also flies as
ZE221
Distance flown
394 km
Straight-line distance
451 km

Aircraft

Registration
HL8578
Type
Boeing 737-800
CO2 (EMEP est., total)
10.5 t (51 kg/pax Economy, 105 kg/pax Business)

Altitude & speed

Max altitude
22,000 ft
Max ground speed
434 kt
Tracked
45m · 392 km
Altitude (ft, max 22,000)
011,88023,7600m30m
Ground speed (kt, max 434)
02344690m30m
Altitude (ft, max 22,000)
011,88023,7600m
Ground speed (kt, max 434)
02344690m

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

Aero-K (EOK)
Eastar Jet (ESR)
Korean Air (KAL)
T'way Air (TWB)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-04 06:14 UTC ESR221 GMP → CJU
Seoul → Jeju City
 HL8578 Boeing 737-800 Completed (landing confirmed by airport data) ~495 km est. (394 km recorded)
2026-10-03 06:44 UTC ESR221 GMP → CJU
Seoul → Jeju City
 HL8578 Boeing 737-800 Completed (landing confirmed by airport data) ~504 km est. (394 km recorded)
2026-10-02 06:36 UTC ESR221 GMP → CJU
Seoul → Jeju City
 HL8507 Boeing 737-800 Completed (landing confirmed by airport data) ~523 km est. (393 km recorded)
2026-10-01 06:05 UTC ESR221 GMP → CJU
Seoul → Jeju City
 HL8763 Boeing 737 MAX 8 Completed (landing confirmed by airport data) ~522 km est. (394 km recorded)
2026-09-30 06:20 UTC ESR221 GMP → ?
Seoul → ?
 HL8784 Boeing 737 MAX 8 Incomplete (signal lost) 442 km
2026-09-29 06:17 UTC ESR221 GMP → ?
Seoul → ?
 HL8549 Boeing 737-800 Incomplete (signal lost) 398 km
2026-09-28 06:51 UTC ESR221 GMP → ?
Seoul → ?
 HL8763 Boeing 737 MAX 8 Incomplete (signal lost) 392 km
2026-09-27 06:19 UTC ESR221 GMP → ?
Seoul → ?
 HL8507 Boeing 737-800 Incomplete (signal lost) 393 km
2026-09-26 06:04 UTC ESR221 GMP → ?
Seoul → ?
 HL8763 Boeing 737 MAX 8 Incomplete (signal lost) 392 km
2026-09-25 06:34 UTC ESR221 GMP → ?
Seoul → ?
 HL8546 Boeing 737-800 Incomplete (signal lost) 428 km
2026-09-24 06:14 UTC ESR221 GMP → ?
Seoul → ?
 HL8578 Boeing 737-800 Incomplete (signal lost) 411 km
2026-09-23 06:29 UTC ESR221 GMP → ?
Seoul → ?
 HL8763 Boeing 737 MAX 8 Incomplete (signal lost) 403 km
2026-09-22 06:35 UTC ESR221 GMP → ?
Seoul → ?
 HL8542 Boeing 737 MAX 8 Incomplete (signal lost) 396 km
2026-09-21 05:58 UTC ESR221 GMP → ?
Seoul → ?
 HL8700 Boeing 737-800 Incomplete (signal lost) 491 km
2026-09-20 06:16 UTC ESR221 GMP → ?
Seoul → ?
 HL8763 Boeing 737 MAX 8 Incomplete (signal lost) 510 km
2026-09-19 06:06 UTC ESR221 GMP → ?
Seoul → ?
 HL8587 Boeing 737-800 Incomplete (signal lost) 416 km
2026-09-18 06:13 UTC ESR221 GMP → ?
Seoul → ?
 HL8784 Boeing 737 MAX 8 Incomplete (signal lost) 384 km
2026-09-17 06:28 UTC ESR221 GMP → ?
Seoul → ?
 HL8763 Boeing 737 MAX 8 Incomplete (signal lost) 391 km
2026-09-16 06:08 UTC ESR221 GMP → ?
Seoul → ?
 HL8546 Boeing 737-800 Incomplete (signal lost) 476 km
2026-09-15 06:06 UTC ESR221 GMP → ?
Seoul → ?
 HL8545 Boeing 737-800 Incomplete (signal lost) 507 km
2026-09-15 05:41 UTC ESR221 ICN → WEH
Seoul → Weihai
 HL8541 Boeing 737 MAX 8 Incomplete (signal lost) 389 km
2026-09-14 06:25 UTC ESR221 GMP → ?
Seoul → ?
 HL8763 Boeing 737 MAX 8 Incomplete (signal lost) 411 km
2026-09-13 06:34 UTC ESR221 GMP → ?
Seoul → ?
 HL8763 Boeing 737 MAX 8 Incomplete (signal lost) 400 km
2026-09-12 06:19 UTC ESR221 GMP → ?
Seoul → ?
 HL8542 Boeing 737 MAX 8 Incomplete (signal lost) 393 km
2026-09-11 06:18 UTC ESR221 GMP → ?
Seoul → ?
 HL8546 Boeing 737-800 Incomplete (signal lost) 423 km
2026-09-10 06:11 UTC ESR221 GMP → ?
Seoul → ?
 HL8587 Boeing 737-800 Incomplete (signal lost) 451 km
2026-09-08 06:06 UTC ESR221 GMP → ?
Seoul → ?
 HL8507 Boeing 737-800 Incomplete (signal lost) 417 km
2026-09-07 06:34 UTC ESR221 GMP → ?
Seoul → ?
 HL8542 Boeing 737 MAX 8 Incomplete (signal lost) 420 km
2026-09-06 06:01 UTC ESR221 GMP → ?
Seoul → ?
 HL8578 Boeing 737-800 Incomplete (signal lost) 424 km
2026-09-05 05:58 UTC ESR221 GMP → ?
Seoul → ?
 HL8784 Boeing 737 MAX 8 Incomplete (signal lost) 405 km
2026-09-04 07:01 UTC ESR221 GMP → ?
Seoul → ?
 HL8784 Boeing 737 MAX 8 Incomplete (signal lost) 387 km
2026-09-03 06:16 UTC ESR221 GMP → ?
Seoul → ?
 HL8784 Boeing 737 MAX 8 Incomplete (signal lost) 409 km
2026-09-02 06:23 UTC ESR221 GMP → ?
Seoul → ?
 HL8549 Boeing 737-800 Completed 392 km
2026-09-01 06:36 UTC ESR221 GMP → ?
Seoul → ?
 HL8587 Boeing 737-800 Completed 419 km
2026-08-31 07:14 UTC ESR221 GMP → ?
Seoul → ?
 HL8542 Boeing 737 MAX 8 Completed 456 km
2026-08-30 06:14 UTC ESR221 GMP → ?
Seoul → ?
 HL8784 Boeing 737 MAX 8 Completed 420 km
2026-08-29 06:55 UTC ESR221 GMP → ?
Seoul → ?
 HL8542 Boeing 737 MAX 8 Completed 437 km
2026-08-28 06:06 UTC ESR221 GMP → ?
Seoul → ?
 HL8700 Boeing 737-800 Completed 479 km
2026-08-27 06:26 UTC ESR221 GMP → ?
Seoul → ?
 HL8542 Boeing 737 MAX 8 Completed 430 km
2026-08-26 06:26 UTC ESR221 GMP → ?
Seoul → ?
 HL8549 Boeing 737-800 Completed 351 km
2026-08-25 06:05 UTC ESR221 GMP → ?
Seoul → ?
 HL8578 Boeing 737-800 Completed 432 km
2026-08-24 06:40 UTC ESR221 ? → WEH
? → Weihai
 HL8543 Boeing 737 MAX 8 Completed 16 km
2026-08-24 06:17 UTC ESR221 GMP → ?
Seoul → ?
 HL8542 Boeing 737 MAX 8 Completed 410 km
2026-08-23 06:31 UTC ESR221 GMP → ?
Seoul → ?
 HL8784 Boeing 737 MAX 8 Completed 678 km
2026-08-22 06:34 UTC ESR221 GMP → ?
Seoul → ?
 HL8542 Boeing 737 MAX 8 Completed 594 km
2026-08-21 06:56 UTC ESR221 GMP → ?
Seoul → ?
 HL8542 Boeing 737 MAX 8 Completed 607 km
2026-08-20 06:09 UTC ESR221 GMP → ?
Seoul → ?
 HL8700 Boeing 737-800 Completed 668 km
2026-08-19 06:02 UTC ESR221 GMP → ?
Seoul → ?
 HL8578 Boeing 737-800 Completed 750 km
2026-08-18 06:24 UTC ESR221 GMP → ?
Seoul → ?
 HL8542 Boeing 737 MAX 8 Completed 591 km
2026-08-17 06:19 UTC ESR221 GMP → ?
Seoul → ?
 HL8507 Boeing 737-800 Completed 578 km

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