LH431 ChicagoORD · 17:20 Frankfurt am MainFRA · 07:30
LH431 by Lufthansa flies from Chicago (ORD) to Frankfurt am Main (FRA) for the Wed, Oct 28 departure.
estimated arrival at FRA · local time · ~5h 39m from now
board checked 9m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 17:28 · typical taxi-out at ORD ≈ 8.3 min. No receiver coverage over open ocean.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at ORD and FRA 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 →
Tomorrow on this route
ForecastChicago to Frankfurt am Main with Lufthansa · Thu 29 Oct, local date
- Chance a departure is cancelled
- 0.5%2.2× usual
- Chance a departure leaves 60+ min late
- 8.0%0.8× usual
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 2 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 Chicago to Frankfurt am Main flights today
same route · LufthansaIf LH431 is cancelled, these are the other Lufthansa nonstop flights from Chicago to Frankfurt am Main 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 LH431 actually runs
Pro Flight Search has tracked every published board update for LH431 across the ORD and FRA boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: left a little late (~8 min) but landed about 18 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how LH431 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: DABYU, DABYF.
Board clocks recorded as ORD and FRA published them.
Planning around LH431? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — LH431 Chicago to Frankfurt am Main on-time performance, measured from the ORD and FRA airport boards.
https://proflightsearch.com/flight/LH431
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