UA4638 ChicagoORD · 19:47 Colorado SpringsCOS
UA4638 by United Airlines flies from Chicago (ORD) to Colorado Springs (COS).
scheduled from ORD
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Chicago to Colorado Springs flights today
same route · United AirlinesIf UA4638 is cancelled, these are the other United Airlines nonstop flights from Chicago to Colorado Springs 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 UA4638 actually runs
Pro Flight Search has tracked every published board update for UA4638 across the ORD and COS boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 4 confirmed departures · 4/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA4638 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as ORD and COS published them.
Planning around UA4638? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: UA4638 Chicago to Colorado Springs on-time performance, measured from the ORD and COS airport boards.
https://proflightsearch.com/flight/UA4638