UA340: United flight 340
Atlanta (ATL) → Denver (DEN) · departs 8:45a, lands 10:08a 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
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UA340 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 |
|---|---|---|---|---|
| ATL → DENAtlanta to Denver | 8:45a | 10:08a | 3h23m | Daily |
Other nonstops from Atlanta to Denver
The departures either side of UA340. Times are Atlanta time.
| Flight | Departs | Days |
|---|---|---|
| Southwest | 6:15a | Mon, Thu, Fri, Sat, Sun |
| Frontier | 6:41a | Daily |
| Delta DL346 | 8:20a | Daily |
| This flight UA340 | 8:45a | Daily |
| Delta DL706 | 10:35a | Tue–Fri |
| United UA1327 | 11:24a | Daily |
| Delta DL957 | 12:15p | Daily |
All 22 flights from ATL to DEN, by time →
Flying back from Denver
United flies Denver to Atlanta nonstop 21 times a week, from 10:15a to 5:58p: 10:15a UA2806 · 1:40p UA1671 · 5:58p UA248 · every nonstop DEN → ATL →
How UA340 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 UA340 leave Atlanta?
UA340 is scheduled to depart Atlanta (ATL) at 8:45a (daily), Atlanta time, and to land in Denver (DEN) at about 10:08a local time, a scheduled 3h23m. Times are the published ones from the flights we sampled Oct 4–10; check United for today's.
Does UA340 fly every day?
Yes — UA340 flew Atlanta to Denver every day of the week we sampled (Oct 4–10).
Is UA340 usually on time?
Of 7 UA340 departures from ATL 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 Atlanta
Timetable from United departures we observed; UA340 is a United Airlines flight number, and Hop Nonstop is not affiliated with United. Schedules change — confirm with the airline before you travel.