UA938 ChicagoORD · 21:40 LondonLHR · 11:55
UA938 by United Airlines flies from Chicago (ORD) to London (LHR) for the Mon, Aug 17 departure.
arrived at LHR · 53 min late
⚖ UA938 typically leaves +30 and lands +16. The air wins minutes back.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 operationmedian arrival +16 min · 0 cancelled · 15 operations tracked
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 · United AirlinesIf UA938 is cancelled, these are the other United Airlines 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 UA938 actually runs
Pro Flight Search has tracked every published board update for UA938 across the ORD and LHR boards: schedule changes, gate pushes and actual clocks. Usually lands ~18 min late. Based on 14 confirmed landings · 6/14 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 UA938 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N675UA, N685UA, N657UA, N661UA.
Board clocks recorded as ORD and LHR published them.
Planning around UA938? 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 — UA938 Chicago to London on-time performance, measured from the ORD and LHR airport boards.
https://proflightsearch.com/flight/UA938
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