UA4023 WashingtonIAD · 18:50 South BendSBN
UA4023 by United Airlines flies from Washington (IAD) to South Bend (SBN) for the Wed, Oct 28 departure.
departs IAD · on schedule
board checked 114m ago · checking again in 45s
The route today
live boardsTomorrow on this route
ForecastWashington to South Bend with United Airlines · Thu 29 Oct, local date
- Chance a departure is cancelled
- 24%0.9× usual
- Chance a departure leaves 60+ min late
- 11%1.1× usual
Forecast weather: 53% chance of fog at Washington
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Fewer than one departure a day on this route with this airline, so read it as a rough guide. · 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 Washington to South Bend flights today
same route · United AirlinesIf UA4023 is cancelled, this is the other United Airlines nonstop flight from Washington to South Bend on the same day, with scheduled departure times in IAD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA4023 actually runs
Pro Flight Search has tracked every published board update for UA4023 across the IAD and SBN boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed +11 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA4023 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: N761YX, N61103.
Board clocks recorded as IAD and SBN published them.
Planning around UA4023? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA4023 Washington to South Bend on-time performance, measured from the IAD and SBN airport boards.
https://proflightsearch.com/flight/UA4023
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