BY4421 VallettaMLA LondonLGW
BY4421 by TUI Airways flies from Valletta (MLA) to London (LGW).
scheduled from MLA
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by LGW (London), currently flying MVFR (marginal visual). 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 Valletta to London flights
same route · TUI AirwaysIf BY4421 is cancelled, this is the other TUI Airways nonstop flight from Valletta to London, with scheduled departure times in MLA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How BY4421 actually runs
Pro Flight Search has tracked every published board update for BY4421 across the MLA and LGW boards: schedule changes, gate pushes and actual clocks. Combined risk score: 75.4/100. Based on airport operations, weather, and cached board history at MLA and LGW.
The verdict above is that record speaking, so it reflects how BY4421 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around BY4421? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — BY4421 Valletta to London on-time performance, measured from the MLA and LGW airport boards.
https://proflightsearch.com/flight/BY4421
.