UA3749United Airlines · JAX → IAD
updated 4h ago
Route confirmed United Airlines

UA3749 JacksonvilleJAX WashingtonIAD

UA3749 by United Airlines flies from Jacksonville (JAX) to Washington (IAD).

Right nowNext departure tomorrow Operates daily
09:00

scheduled from JAX

The route today

live boards
JAXJacksonvilleOn-time likelyJAX delay board →
IADWashingtonOn-time likelyIAD delay board →
JAX→IADevery 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 JAX and IAD 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

Jacksonville to Washington with United Airlines · Sun 1 Nov, local date

Outlook: about usual
Chance a departure leaves 60+ min late
6.1%1.0× usual

Forecast weather: 79% chance of rain at Jacksonville

No cancellation outlook here: this airport's board does not publish cancellations reliably.

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 3 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 Jacksonville to Washington flights today

same route · United Airlines
UA1434departs 09:20
UA1304departs 11:37
UA3496departs 11:37
UA6252departs 11:37
UA1938departs 12:40
UA6170departs 19:10

If UA3749 is cancelled, these are the other United Airlines nonstop flights from Jacksonville to Washington on the same day, with scheduled departure times in JAX 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 UA3749 actually runs

Pro Flight Search has tracked every published board update for UA3749 across the JAX and IAD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at JAX and IAD.

The verdict above is that record speaking, so it reflects how UA3749 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA3749? 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: UA3749 Jacksonville to Washington on-time performance, measured from the JAX and IAD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA3749
How we measure this →