KE643KOREAN AIRLINES · ICN → SIN
live · 5m ago
Route confirmed KOREAN AIRLINES

KE643 SeoulICN · 13:50 SingaporeSIN · 19:15

KE643 by KOREAN AIRLINES flies from Seoul (ICN) to Singapore (SIN) for the Tue, Oct 20 departure.

Right nowEn route to Singapore · off blocks 14:06 · 16 min late
18:59

estimated arrival at SIN · local time · ~89 min from now

En routeKE643 · position estimated
ICNSeoulSINSingapore
Estimated from the boardsarr 18:59

Board estimate · gate and arrival times. Off blocks 14:06 · typical taxi-out at ICN ≈ 7.4 min. No receiver coverage over open ocean.

Typical gate push+28 minmedian posted departure
Typical arrival−12 minmedian over 5 operations
Wins back in air~40 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+48+95+143 min
10-20
+16 gate · −16 arrival
10-19
+32 gate · −12 arrival
10-18
+143 gate · +94 arrival
10-17
+28 gate · −16 arrival
10-16
+27 gate · −2 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 −12 min · 0 cancelled · 5 operations tracked

The route today

live boards
ICNSeoulModerate riskICN delay board →
SINSingaporeOn-time likelySIN delay board →
ICN→SINevery carrier, schedules and on-time historyRoute intelligence →

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 Singapore flights today

same route · KOREAN AIRLINES
KE647departs 00:05
KE645departs 18:40

If KE643 is cancelled, these are the other KOREAN AIRLINES nonstop flights from Seoul to Singapore 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 KE643 actually runs

Pro Flight Search has tracked every published board update for KE643 across the ICN and SIN boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 3/4 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 KE643 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
10-20ICN 13:50 14:06 (+16)SIN 19:15 18:59 (−16)
10-19ICN 13:50 14:22 (+32)SIN 19:15 19:03 (−12)
10-18ICN 13:50 16:13 (+143)SIN 19:15 20:49 (+94)
10-17ICN 13:50 14:18 (+28)SIN 19:15 18:59 (−16)
10-16ICN 13:50 14:17 (+27)SIN 19:15 19:13 (−2)

Board clocks recorded as ICN and SIN 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 — KE643 Seoul to Singapore on-time performance, measured from the ICN and SIN airport boards.

Canonical URL
https://proflightsearch.com/flight/KE643
How we measure this →