LH3603 Cologne Main StationQKL Frankfurt am MainFRA · 06:49
LH3603 by Lufthansa flies from Cologne Main Station (QKL) to Frankfurt am Main (FRA).
tracked route QKL → FRA
The route today
live boardsHow LH3603 actually runs
Pro Flight Search has tracked every published board update for LH3603 across the QKL and FRA boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed +0 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how LH3603 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: ICE511.
Board clocks recorded as QKL and FRA published them.
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Pro Flight Search — LH3603 Cologne Main Station to Frankfurt am Main on-time performance, measured from the QKL and FRA airport boards.
https://proflightsearch.com/flight/LH3603
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