UA5645 ChicagoORD · 12:40 Sioux FallsFSD · 14:28
UA5645 by United Airlines flies from Chicago (ORD) to Sioux Falls (FSD) for the Sat, Oct 24 departure.
arrived at FSD · 4 min late
Where the minutes go
last 6 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival +4 min · 0 cancelled · 6 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by FSD (Sioux Falls), currently flying MVFR (marginal visual). For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Chicago to Sioux Falls flights today
same route · United AirlinesIf 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 posting a delay still operate — rebooking usually only beats a very large posted delay. 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. Usually lands ~7 min late. Based on 6 confirmed landings · 4/6 within 15 min of schedule.
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.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N691SK, N716EV, N213SY, N782SK.
Board clocks recorded as ORD and FSD published them.
Planning around UA5645? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA5645 Chicago to Sioux Falls on-time performance, measured from the ORD and FSD airport boards.
https://proflightsearch.com/flight/UA5645
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