OZ178Asiana Airlines · ICN → HND
live · 29m ago
Route confirmed Asiana Airlines

OZ178 SeoulICN · 21:10 TokyoHND · 23:30

OZ178 by Asiana Airlines flies from Seoul (ICN) to Tokyo (HND) for the Tue, Sep 8 departure.

Right nowScheduled · gate 268 · as of 06:39
21:10

departs ICN · on schedule

⚖ OZ178 typically leaves +24 and lands −7. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-07
+18 gate · −16 arrival
09-06
+24 gate · +4 arrival
09-05
+19 gate · −3 arrival
09-04
+18 gate · −19 arrival
09-03
+21 gate · −18 arrival
09-02
+55 gate
09-01
+21 gate · −15 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 −7 min · 0 cancelled · 15 operations tracked

The route today

live boards
ICNSeoulOn-time likelyICN delay board →
HNDTokyoOn-time likelyHND delay board →
ICN→HNDevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
30%Chance of 15+ min delay
1.7%Chance of cancellation

Conditions at ICN and HND 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 · Asiana Airlines
OZ1785departs 00:40

If OZ178 is cancelled, this is the other Asiana Airlines nonstop flight 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 OZ178 actually runs

Pro Flight Search has tracked every published board update for OZ178 across the ICN and HND boards: schedule changes, gate pushes and actual clocks. Usually departs ~24 min late. Based on 13 confirmed departures · 0/13 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how OZ178 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
09-07ICN 21:10 21:28 (+18)HND 23:30 23:14 (−16)
09-06ICN 21:10 21:34 (+24)HND 23:30 23:34 (+4)
09-05ICN 21:10 21:29 (+19)HND 23:30 23:27 (−3)
09-04ICN 21:10 21:28 (+18)HND 23:30 23:11 (−19)
09-03ICN 21:10 21:31 (+21)HND 23:30 23:12 (−18)
09-02ICN 21:10 22:05 (+55)HND 23:30
09-01ICN 21:10 21:31 (+21)HND 23:30 23:15 (−15)
08-31ICN 21:10 21:28 (+18)HND 23:30 23:18 (−12)
08-30ICN 21:10 21:50 (+40)HND 23:30
08-29ICN 21:10 23:55 (+165)HND 23:30
08-28ICN 21:10 21:38 (+28)HND 23:30 23:23 (−7)
08-27ICN 21:10 21:36 (+26)HND 23:30 23:25 (−5)
08-26ICN 21:10 22:30 (+80)HND 23:30 00:23 (+53)
08-25ICN 21:10 21:28 (+18)HND 23:30 23:37 (+7)
08-24ICN 21:10 21:56 (+46)HND 23:30

Board clocks recorded as ICN and HND 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 — OZ178 Seoul to Tokyo on-time performance, measured from the ICN and HND airport boards.

Canonical URL
https://proflightsearch.com/flight/OZ178
How we measure this →