BA856 LondonLHR PraguePRG
BA856 by British Airways flies from London (LHR) to Prague (PRG).
scheduled from LHR
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by LHR (London), currently flying LIFR (low instrument). These figures come from both airports' records 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 →
Tomorrow at London
ForecastSun 8 Nov, local date
- 35% chance of fog
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at Prague
ForecastSun 8 Nov, local date
- 45% chance of fog
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other London to Prague flights today
same route · British AirwaysIf BA856 is cancelled, these are the other British Airways nonstop flights from London to Prague on the same day, with scheduled departure times in LHR local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How BA856 actually runs
Pro Flight Search has tracked every published board update for BA856 across the LHR and PRG boards: schedule changes, gate pushes and actual clocks. Combined risk score: 97.9/100. Based on airport operations, weather, and cached board history at LHR and PRG.
The verdict above is that record speaking, so it reflects how BA856 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around BA856? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: BA856 London to Prague on-time performance, measured from the LHR and PRG airport boards.
https://proflightsearch.com/flight/BA856