UL504 LondonLHR · 20:40 ColomboCMB
UL504 by SriLankan Airlines flies from London (LHR) to Colombo (CMB) for the Fri, Nov 6 departure.
departs LHR · on schedule
board checked 62m ago · checking again in 45s
Where the minutes go
last 7 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 operation0 cancelled · 14 operations tracked
The route today
live boardsTomorrow at London
ForecastSat 7 Nov, local date
- 48% 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 Colombo flights today
same route · SriLankan AirlinesIf UL504 is cancelled, this is the other SriLankan Airlines nonstop flight from London to Colombo 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 UL504 actually runs
Pro Flight Search has tracked every published board update for UL504 across the LHR and CMB boards: schedule changes, gate pushes and actual clocks. Usually departs ~65 min late. Based on 13 confirmed departures · 0/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UL504 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 LHR and CMB published them.
Planning around UL504? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: UL504 London to Colombo on-time performance, measured from the LHR and CMB airport boards.
https://proflightsearch.com/flight/UL504
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