UA4889 AlbanyALB · 10:00 WashingtonIAD · 11:35
UA4889 by United Airlines flies from Albany (ALB) to Washington (IAD) for the Sun, Sep 13 departure.
departs ALB · on schedule
board checked 190m ago · checking again in 45s
⚖ UA4889 typically leaves +15 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
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by ALB (Albany), currently flying VFR (visual). 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 Albany to Washington flights today
same route · United AirlinesIf UA4889 is cancelled, these are the other United Airlines nonstop flights from Albany to Washington on the same day, with scheduled departure times in ALB local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA4889 actually runs
Pro Flight Search has tracked every published board update for UA4889 across the ALB and IAD boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 min early. Based on 14 confirmed landings · 12/14 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 UA4889 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: N10156, N12167, N16151, N12201.
Board clocks recorded as ALB and IAD published them.
Planning around UA4889? 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 — UA4889 Albany to Washington on-time performance, measured from the ALB and IAD airport boards.
https://proflightsearch.com/flight/UA4889
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