UA1666: United flight 1666
Cincinnati (CVG) → Denver (DEN) · departs 8:00a, lands 9:01a local · Daily
The timetable below has every scheduled departure; for today's flight, check United.
An estimate from the published timetable, not live tracking: it cannot know about delays, diversions or cancellations.
Live status at United →The route
One hop: CVG → DENDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
UA1666 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Oct 4–10.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| CVG → DENCincinnati to Denver | 8:00a | 9:01a | 3h1m | Daily |
Other nonstops from Cincinnati to Denver
The departures either side of UA1666. Times are Cincinnati time.
| Flight | Departs | Days |
|---|---|---|
| This flight UA1666 | 8:00a | Daily |
| Southwest | 2:25p | Mon–Fri |
| United UA479 | 3:27p | Daily |
| Frontier | 5:16p | Mon–Thu |
All 7 flights from CVG to DEN, by time →
Flying back from Denver
United flies Denver to Cincinnati nonstop 14 times a week, from 9:40a to 5:59p: 9:40a UA1978 · 5:59p UA1615 · every nonstop DEN → CVG →
How UA1666 ran in our sample
7 of 7 departures left within 15 minutes of schedule (Oct 4–10). Only flights that departed are counted: cancellations are not in our data.
What time does UA1666 leave Cincinnati?
UA1666 is scheduled to depart Cincinnati (CVG) at 8:00a (daily), Cincinnati time, and to land in Denver (DEN) at about 9:01a local time, a scheduled 3h1m. Times are the published ones from the flights we sampled Oct 4–10; check United for today's.
Does UA1666 fly every day?
Yes — UA1666 flew Cincinnati to Denver every day of the week we sampled (Oct 4–10).
Is UA1666 usually on time?
Of 7 UA1666 departures from CVG we sampled Oct 4–10, 7 left within 15 minutes of the scheduled time. That counts only flights that departed — cancellations are not in our data — and one week is a small sample, so treat it as a hint, not a rating.
More United flights from Cincinnati
Timetable from United departures we observed; UA1666 is a United Airlines flight number, and Hop Nonstop is not affiliated with United. Schedules change — confirm with the airline before you travel.