UA1783 Los AngelesLAX · 08:50 BostonBOS · 17:31
UA1783 by United Airlines flies from Los Angeles (LAX) to Boston (BOS) for the Thu, Oct 15 departure.
departs LAX · on schedule
board checked 28m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at LAX and BOS 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 Los Angeles to Boston flights today
same route · United AirlinesIf UA1783 is cancelled, these are the other United Airlines nonstop flights from Los Angeles to Boston on the same day, with scheduled departure times in LAX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA1783 actually runs
Pro Flight Search has tracked every published board update for UA1783 across the LAX and BOS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left heavily delayed (~257 min) but landed noticeably late (~21 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how UA1783 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: N17455, N17414.
Board clocks recorded as LAX and BOS published them.
Planning around UA1783? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA1783 Los Angeles to Boston on-time performance, measured from the LAX and BOS airport boards.
https://proflightsearch.com/flight/UA1783
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