UA6121United Airlines · IAH → CLT
live · 26m ago
Route confirmed United Airlines

UA6121 HoustonIAH CharlotteCLT

UA6121 by United Airlines flies from Houston (IAH) to Charlotte (CLT).

Right nowNext departure tomorrow Operates daily
10:25

scheduled from IAH

The route today

live boards
IAHHoustonOn-time likelyIAH delay board →
CLTCharlotteOn-time likelyCLT delay board →
IAH→CLTevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
26%Chance of 15+ min delay
1.3%Chance of cancellation
+0 minTypical airport delay in this weather

Conditions at IAH and CLT 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 IAH

Forecast

Tue 10 Nov, local date

High24°Clikely 21°C to 26°C
Low15°Clikely 13°C to 16°C
  • 88% chance of rain

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 CLT

Forecast

Tue 10 Nov, local date

High23°Clikely 21°C to 24°C
Low6°Clikely 5°C to 7°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 Charlotte flights today

same route · United Airlines
UA3988departs 07:25
UA6138departs 12:20
UA2864departs 18:27
UA6343departs 18:27
UA3239departs 21:30

If UA6121 is cancelled, these are the other United Airlines nonstop flights from Houston to Charlotte 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 UA6121 actually runs

Pro Flight Search has tracked every published board update for UA6121 across the IAH and CLT 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 CLT.

The verdict above is that record speaking, so it reflects how UA6121 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA6121? 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: UA6121 Houston to Charlotte on-time performance, measured from the IAH and CLT airport boards.

Canonical URL
https://proflightsearch.com/flight/UA6121
How we measure this →