BA503 LisbonLIS · 10:40 LondonLHR · 13:35
BA503 by British Airways flies from Lisbon (LIS) to London (LHR) for the Sun, Nov 1 departure.
today's LIS → LHR operation will not depart
Where the minutes go
last 5 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −17 min · 1 cancelled · 5 operations tracked
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 on this route
ForecastLisbon to London with British Airways · Mon 2 Nov, local date
- Chance a departure is cancelled
- 0.8%0.8× usual
- Chance a departure leaves 60+ min late
- 6.7%0.7× usual
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 5 departures a day on this route with this airline. · 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 Lisbon to London flights today
same route · British AirwaysIf BA503 is cancelled, these are the other British Airways nonstop flights from Lisbon to London on the same day, with scheduled departure times in LIS 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 BA503 actually runs
Pro Flight Search has tracked every published board update for BA503 across the LIS and LHR boards: schedule changes, gate pushes and actual clocks. Usually lands ~17 min early. Based on 4 confirmed landings · 3/4 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how BA503 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 LIS and LHR published them.
Planning around BA503? 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: BA503 Lisbon to London on-time performance, measured from the LIS and LHR airport boards.
https://proflightsearch.com/flight/BA503
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