TW243T'way Airlines · ICN → NRT
live · 13m ago
Route confirmed T'way Airlines

TW243 SeoulICN · 10:20 TokyoNRT · 12:55

TW243 by T'way Airlines flies from Seoul (ICN) to Tokyo (NRT) for the Tue, Sep 15 departure.

Right nowGate Closing · gate 18
10:20

departs ICN · on schedule

Typical gate push+21 minmedian posted departure
Typical arrival−17 minmedian over 7 operations
Wins back in air~38 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-14
+20 gate · −16 arrival
09-13
+31 gate · −4 arrival
09-12
+21 gate · −17 arrival
09-11
+21 gate · −17 arrival
09-10
+13 gate · −20 arrival
09-09
+25 gate · −17 arrival
09-08
+10 gate · +0 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 −17 min · 0 cancelled · 7 operations tracked

The route today

live boards
ICNSeoulOn-time likelyICN delay board →
NRTTokyoOn-time likelyNRT delay board →
ICN→NRTevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
25%Chance of 15+ min delay
2.5%Chance of cancellation
+0 minAvg hub delay right now

Conditions at ICN and NRT are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

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 Tokyo flights today

same route · T'way Airlines
TW237departs 06:55
TW241departs 08:35
TW245departs 15:00
TW247departs 18:15
TW249departs 20:10

If TW243 is cancelled, these are the other T'way Airlines nonstop flights from Seoul to Tokyo on the same day, with scheduled departure times in ICN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How TW243 actually runs

Pro Flight Search has tracked every published board update for TW243 across the ICN and NRT boards: schedule changes, gate pushes and actual clocks. Usually lands ~16 min early. Based on 6 confirmed landings · 6/6 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 TW243 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
09-14ICN 10:20 10:40 (+20)NRT 12:55 12:39 (−16)
09-13ICN 10:20 10:51 (+31)NRT 12:55 12:51 (−4)
09-12ICN 10:20 10:41 (+21)NRT 12:55 12:38 (−17)
09-11ICN 10:20 10:41 (+21)NRT 12:55 12:38 (−17)
09-10ICN 10:20 10:33 (+13)NRT 12:55 12:35 (−20)
09-09ICN 10:20 10:45 (+25)NRT 12:55 12:38 (−17)
09-08ICN 10:20 10:30 (+10)NRT 12:55 (+0)

Aircraft

Recent tails: HL8754, HL8753, HL8069, HL8324.

Board clocks recorded as ICN and NRT published them.

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 — TW243 Seoul to Tokyo on-time performance, measured from the ICN and NRT airport boards.

Canonical URL
https://proflightsearch.com/flight/TW243
How we measure this →