UA5645United Airlines · ORD → FSD
live · 19m ago
Route confirmed United Airlines

UA5645 ChicagoORD Sioux FallsFSD

UA5645 by United Airlines flies from Chicago (ORD) to Sioux Falls (FSD).

Right nowNext departure today Operates daily
16:41

scheduled from ORD

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
FSDSioux FallsOn-time likelyFSD delay board →
ORD→FSDevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
46%Chance of 15+ min delay
1.7%Chance of cancellation
+12 minTypical airport delay in this weather

Conditions at ORD and FSD 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 Chicago

Forecast

Tue 10 Nov, local date

High17°Clikely 15°C to 20°C
Low6°Clikely 4°C to 8°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 FSD

Forecast

Tue 10 Nov, local date

High15°Clikely 12°C to 18°C
Low0°Clikely −2°C to 3°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 Chicago to Sioux Falls flights today

same route · United Airlines
UA4504departs 08:40
UA4572departs 12:29
UA5869departs 16:00
UA1842departs 19:45
UA5646departs 19:45
UA4447departs 21:30

If UA5645 is cancelled, these are the other United Airlines nonstop flights from Chicago to Sioux Falls on the same day, with scheduled departure times in ORD 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 UA5645 actually runs

Pro Flight Search has tracked every published board update for UA5645 across the ORD and FSD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 5.3/100. Based on airport operations, weather, and cached board history at ORD and FSD.

The verdict above is that record speaking, so it reflects how UA5645 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA5645? 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: UA5645 Chicago to Sioux Falls on-time performance, measured from the ORD and FSD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA5645
How we measure this →