UA3421United Airlines · CLT → ORD
live · just now
Route confirmed United Airlines

UA3421 CharlotteCLT ChicagoORD

UA3421 by United Airlines flies from Charlotte (CLT) to Chicago (ORD).

Right nowNext departure tomorrow Operates daily
06:00

scheduled from CLT

The route today

live boards
CLTCharlotteOn-time likelyCLT delay board →
ORDChicagoOn-time likelyORD delay board →
CLT→ORDevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
32%Chance of 15+ min delay
1.3%Chance of cancellation
+5 minTypical airport delay in this weather

Conditions at CLT and ORD 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 Charlotte

Forecast

Thu 12 Nov, local date

High21°Clikely 18°C to 23°C
Low10°Clikely 7°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 ORD

Forecast

Thu 12 Nov, local date

High9°Clikely 8°C to 10°C
Low4°Clikely 2°C to 6°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 Charlotte to Chicago flights today

same route · United Airlines
UA751departs 06:00
UA2771departs 08:10
UA3442departs 12:37
UA3671departs 15:30
UA3455departs 17:33

If UA3421 is cancelled, these are the other United Airlines nonstop flights from Charlotte to Chicago on the same day, with scheduled departure times in CLT 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 UA3421 actually runs

Pro Flight Search has tracked every published board update for UA3421 across the CLT and ORD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at CLT and ORD.

The verdict above is that record speaking, so it reflects how UA3421 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA3421? 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: UA3421 Charlotte to Chicago on-time performance, measured from the CLT and ORD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA3421
How we measure this →