UA4063United Airlines · IAD → JAX
updated 1h ago
Route confirmed United Airlines

UA4063 WashingtonIAD JacksonvilleJAX

UA4063 by United Airlines flies from Washington (IAD) to Jacksonville (JAX).

Right nowNext departure tomorrow Operates daily
12:48

scheduled from IAD

The route today

live boards
IADWashingtonOn-time likelyIAD delay board →
JAXJacksonvilleOn-time likelyJAX delay board →
IAD→JAXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
3.7%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at IAD and JAX are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 on this route

Forecast

Washington to Jacksonville with United Airlines · Mon 2 Nov, local date

Outlook: below usual
Chance a departure is cancelled
1.2%0.7× usual
Chance a departure leaves 60+ min late
6.7%0.8× usual

Forecast weather: 91% chance of rain at Jacksonville

Forecast: GateWeather · 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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Washington to Jacksonville flights today

same route · United Airlines
UA2084departs 08:15
UA6241departs 08:15
UA3519departs 08:20
UA6282departs 08:35
UA4029departs 12:44
UA293departs 18:45

If UA4063 is cancelled, these are the other United Airlines nonstop flights from Washington to Jacksonville 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 UA4063 actually runs

Pro Flight Search has tracked every published board update for UA4063 across the IAD and JAX boards: schedule changes, gate pushes and actual clocks. Combined risk score: 12.0/100. Based on airport operations, weather, and cached board history at IAD and JAX.

The verdict above is that record speaking, so it reflects how UA4063 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA4063? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: UA4063 Washington to Jacksonville on-time performance, measured from the IAD and JAX airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4063
How we measure this →