BA20 ChicagoORD · 17:30 LondonLHR
BA20 by British Airways flies from Chicago (ORD) to London (LHR) for the Tue, Aug 18 departure.
en route from ORD to LHR
board checked 11m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 17:46 · typical taxi-out at ORD ≈ 8.1 min. No receiver coverage over open ocean.
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at ORD and LHR 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 Chicago to London flights today
same route · British AirwaysIf BA20 is cancelled, these are the other British Airways nonstop flights from Chicago to London on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How BA20 actually runs
Pro Flight Search has tracked every published board update for BA20 across the ORD and LHR boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: departed +16 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how BA20 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 ORD and LHR published them.
Planning around BA20? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — BA20 Chicago to London on-time performance, measured from the ORD and LHR airport boards.
https://proflightsearch.com/flight/BA20
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