UA6143United Airlines · IAH → JAX
live · 24m ago
Route confirmed United Airlines

UA6143 HoustonIAH JacksonvilleJAX

UA6143 by United Airlines flies from Houston (IAH) to Jacksonville (JAX).

Right nowNext departure today Operates daily
08:00

scheduled from IAH

The route today

live boards
IAHHoustonOn-time likelyIAH delay board →
JAXJacksonvilleOn-time likelyJAX delay board →
IAH→JAXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
33%Chance of 15+ min delay
1.1%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at IAH 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 at Houston

Forecast

Fri 13 Nov, local date

High26°Clikely 23°C to 27°C
Low10°Clikely 9°C to 12°C

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 JAX

Forecast

Fri 13 Nov, local date

High20°Clikely 17°C to 23°C
Low8°Clikely 6°C to 11°C

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 departures
061422
M
T
W
T
F
S
S

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

Other Houston to Jacksonville flights today

same route · United Airlines
UA6131departs 07:35
UA2144departs 13:14
UA4051departs 14:35
UA4015departs 14:50
UA2293departs 20:04

If UA6143 is cancelled, these are the other United Airlines nonstop flights from Houston to Jacksonville on the same day, with scheduled departure times in IAH 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 UA6143 actually runs

Pro Flight Search has tracked every published board update for UA6143 across the IAH and JAX boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at IAH and JAX.

The verdict above is that record speaking, so it reflects how UA6143 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA6143? 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: UA6143 Houston to Jacksonville on-time performance, measured from the IAH and JAX airport boards.

Canonical URL
https://proflightsearch.com/flight/UA6143
How we measure this →