UA4977 WashingtonIAD · 17:25 SyracuseSYR · 18:53
UA4977 by United Airlines flies from Washington (IAD) to Syracuse (SYR) for the Wed, Nov 4 departure.
arrived at SYR · 16 min early
⚖ UA4977 typically leaves +25 and lands −12. 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 −12 min · 0 cancelled · 12 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by SYR (Syracuse), currently flying VFR (visual). These figures come from both airports' records 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 at Washington
ForecastFri 6 Nov, local date
- 34% chance of fog
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at Syracuse
ForecastFri 6 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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 Syracuse flights today
same route · United AirlinesIf UA4977 is cancelled, these are the other United Airlines nonstop flights from Washington to Syracuse on the same day, with scheduled departure times in IAD local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How UA4977 actually runs
Pro Flight Search has tracked every published board update for UA4977 across the IAD and SYR boards: schedule changes, gate pushes and actual clocks. Usually lands ~5 min early. Based on 12 confirmed landings · 10/12 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 UA4977 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: N27190, N21154, N11150, N14198.
Board clocks recorded as IAD and SYR published them.
Planning around UA4977? 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: UA4977 Washington to Syracuse on-time performance, measured from the IAD and SYR airport boards.
https://proflightsearch.com/flight/UA4977
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