BY4101 NapoliNAP · 12:05 LondonLGW
BY4101 by TUI Airways flies from Napoli (NAP) to London (LGW).
scheduled from NAP
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at NAP and LGW 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 Napoli to London flights
same route · TUI AirwaysIf BY4101 is cancelled, this is the other TUI Airways nonstop flight from Napoli to London, with scheduled departure times in NAP local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How BY4101 actually runs
Pro Flight Search has tracked every published board update for BY4101 across the NAP and LGW boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed +136 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how BY4101 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: G-TAWW.
Board clocks recorded as NAP and LGW published them.
Planning around BY4101? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — BY4101 Napoli to London on-time performance, measured from the NAP and LGW airport boards.
https://proflightsearch.com/flight/BY4101
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