LO621 WarsawWAW LjubljanaLJU · 00:30
LO621 by LOT Polish Airlines flies from Warsaw (WAW) to Ljubljana (LJU) for the Thu, Sep 17 departure.
arrival expected at LJU · on schedule
board checked 15m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at WAW and LJU 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.
Other Warsaw to Ljubljana flights today
same route · LOT Polish AirlinesIf LO621 is cancelled, these are the other LOT Polish Airlines nonstop flights from Warsaw to Ljubljana on the same day, with scheduled departure times in WAW local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How LO621 actually runs
Pro Flight Search has tracked every published board update for LO621 across the WAW and LJU boards: schedule changes, gate pushes and actual clocks. Combined risk score: 63.7/100. Based on airport operations, weather, and cached board history at WAW and LJU.
The verdict above is that record speaking, so it reflects how LO621 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 WAW and LJU published them.
Planning around LO621? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — LO621 Warsaw to Ljubljana on-time performance, measured from the WAW and LJU airport boards.
https://proflightsearch.com/flight/LO621
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