ZE623Eastar Jet · ICN → CTS
live · 3m ago
Route confirmed Eastar Jet

ZE623 SeoulICN · 14:35 SapporoCTS · 17:05

ZE623 by Eastar Jet flies from Seoul (ICN) to Sapporo (CTS) for the Wed, Nov 4 departure.

Right nowIn the air to Sapporo
17:05

estimated arrival at CTS · local time · ~1h 58m from now

LivePosition · updated 3m ago
ICN797 mi · ~1h 58m leftCTS
24,000 ftAltitudeclimbing
505 mphSpeed439 kt
79°Direction

Live position · flown path, last 18 min

⚖ ZE623 typically leaves +11 and lands −5. The air wins minutes back.
Typical gate push+11 minmedian posted departure
Typical arrival−5 minmedian over 10 operations
Wins back in air~16 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 10tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-03
+7 gate · −14 arrival
11-02
+6 gate · −21 arrival
11-01
+10 gate · −3 arrival
10-31
+11 gate · −5 arrival
10-30
+4 gate · −6 arrival
10-29
+14 gate · +0 arrival
10-28
+32 gate · +14 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −5 min · 0 cancelled · 10 operations tracked

The route today

live boards
ICNSeoulModerate riskICN delay board →
CTSSapporoOn-time likelyCTS delay board →
ICN→CTSevery carrier, schedules and on-time historyRoute intelligence →

Tomorrow at Sapporo

Forecast

Thu 5 Nov, local date

High14°Clikely 12°C to 16°C
Low2°Clikely 0°C to 5°C
  • 94% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Seoul to Sapporo flights today

same route · Eastar Jet
ZE621departs 07:40
ZE625departs 09:10
ZE627departs 15:00

If ZE623 is cancelled, these are the other Eastar Jet nonstop flights from Seoul to Sapporo on the same day, with scheduled departure times in ICN local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How ZE623 actually runs

Pro Flight Search has tracked every published board update for ZE623 across the ICN and CTS boards: schedule changes, gate pushes and actual clocks. Usually lands ~5 min early. Based on 10 confirmed landings · 10/10 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how ZE623 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
11-03ICN 14:35 14:42 (+7)CTS 17:05 16:51 (−14)
11-02ICN 14:35 14:41 (+6)CTS 17:05 16:44 (−21)
11-01ICN 14:35 14:45 (+10)CTS 17:05 17:02 (−3)
10-31ICN 14:35 14:46 (+11)CTS 17:05 17:00 (−5)
10-30ICN 14:35 14:39 (+4)CTS 17:05 16:59 (−6)
10-29ICN 14:35 14:49 (+14)CTS 17:05 (+0)
10-28ICN 14:35 15:07 (+32)CTS 17:05 17:19 (+14)
10-27ICN 14:35 14:51 (+16)CTS 17:05 17:07 (+2)
10-26ICN 14:35 14:41 (+6)CTS 17:05 16:55 (−10)
10-25ICN 14:35 14:47 (+12)CTS 17:05 16:59 (−6)

Board clocks recorded as ICN and CTS published them.

Planning around ZE623? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: ZE623 Seoul to Sapporo on-time performance, measured from the ICN and CTS airport boards.

Canonical URL
https://proflightsearch.com/flight/ZE623
How we measure this →