KE3644 San FranciscoSFO · 13:45 AtlantaATL
KE3644 by Korean Air flies from San Francisco (SFO) to Atlanta (ATL) for the Tue, Aug 18 departure.
departs SFO · on schedule
board checked 58m ago · checking again in 45s
Where the minutes go
last 7 operations · gate push → arrivalThe 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 operation0 cancelled · 13 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SFO and ATL 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.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How KE3644 actually runs
Pro Flight Search has tracked every published board update for KE3644 across the SFO and ATL boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 12 confirmed departures · 8/12 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how KE3644 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as SFO and ATL published them.
Planning around KE3644? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — KE3644 San Francisco to Atlanta on-time performance, measured from the SFO and ATL airport boards.
https://proflightsearch.com/flight/KE3644
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