Landed On Time
Departure: Wed, Jul 1, 2026
Scheduled:
13:50
|
Actual:
14:40
Terminal: 4 | Gate: G20
Arrival: Wed, Jul 1, 2026
Scheduled:
19:15
|
Actual:
19:17

KE 643 Flight Status & Schedule

Date Departure Arrival Status
Jul 01 14:40 19:17
Landed
Track >
Jun 30 14:24 18:57
Landed
Track >
Jun 29 14:24 19:03
Landed
Track >
Jun 28 14:23 18:58
Landed
Track >
Jun 27 14:13 18:59
Landed
Track >

Korean Air KE 643 Seoul to Singapore Flight Information

Korean Air Flight KE643 connects Seoul, South Korea to Singapore, Singapore, taking off from Seoul Incheon International Airport ICN and landing at Singapore Changi Airport SIN.

How long is the KE643 flight from Seoul to Singapore?

The average flight time from Seoul to Singapore is 5 hours and 42 minutes. The flight distance is 4627 km / 2875 miles and the average flight speed is 812 km/h / 505 mph.

How many KE643 flights are operated per week?

7 flights per week. The flight KE643 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.

What is the On-Time Performance (OTP) of Korean Air Flight KE643 Seoul to Singapore?

The Airportia On-Time Performance Rating for Korean Air Flight KE643 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight KE643 arriving at?

Flight KE643 arrives at Singapore Changi Airport (SIN) Terminal 4.

When was the latest KE643 flight?

The latest flight took off on Wednesday, July 1st, 2026 with the flight status being Landed on 19:17.

How else can the flight KE643 be referenced as?

This Korean Air flight can also be referenced as KAL643, KE0643, KE 643, KAL 643.

How often is flight KE643 delayed?

On average, 20% of all KE643 flights are delayed. The average delay is 18 minutes.

See our KE643 Flight Tracker above for more details.

KE643 and Seoul ICN to Singapore SIN Flights

Flight KE643 is code-shared by 2 airlines using the flight numbers DL7819, WS6033

Other flights departing from Seoul ICN: OZ134, ZE623, ZE853, NH8476

Other flights arriving at Singapore SIN: SQ31, SQ226, TR751, PG961

All flights connecting Seoul ICN to Singapore SIN.

KE643 Korean Air Flight: Seoul to Singapore Route Map

KE643 Korean Air Flight Map: Seoul to Singapore
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.