KE 23Seoul to San Francisco

Korean Air🇰🇷ICN🇺🇸SFOIncheon International Airport to San Francisco International Airport

Departs

16:00

local to Seoul

Operates

Daily

S26 schedule

Distance

9,085 km

5,645 miles

Typical delay

21 min

35 departures

The route

Great circle, 9,085 km

9,085 km (5,645 miles) great-circle, measured between the two airports' published coordinates. The line is the shortest path over the globe, which on a flat map bows away from a straight line.

What flies it

1 sightings

B78X.

Aircraft types we recorded on this flight. A type is never inferred from the route, so a flight we have not seen closely shows none.

How delayed is KE 23?

Measured over months

This flight leaves Incheon International Airport a typical 21 minutes late (likely 19 to 26), across 35 departures we tracked between 2026-03-29 and 2026-07-29.

median delay of tracked departures on this leg. Flight Owl's own resolved departure predictions (flights our users tracked), not a census of all flights at the airport.

Other flights on this route

2 more

Flight	Airline	Departs	Departures seen
UA 892	United Airlines	16:50	28
YP 111	YP	19:15	16

Where it goes

ICN → SFOSeoul to San FranciscoEvery airline on this route ICNIncheon International AirportDeparture airport SFOSan Francisco International AirportArrival airport

How these numbers are measured