UA2123: United flight 2123
Denver (DEN) → San Francisco (SFO) · departs 9:05p, lands 10:51p 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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UA2123 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Oct 15–21.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| DEN → SFODenver to San Francisco | 9:05p | 10:51p | 2h46m | Daily |
Other nonstops from Denver to San Francisco
The departures either side of UA2123. Times are Denver time.
| Flight | Departs | Days |
|---|---|---|
| United UA1007 | 5:45p | Daily |
| Southwest | 6:25p | Mon, Thu, Fri, Sun |
| United UA1389 | 7:25p | Daily |
| This flight UA2123 | 9:05p | Daily |
| Frontier | 10:29p | Daily |
All 25 flights from DEN to SFO, by time →
Flying back from San Francisco
United flies San Francisco to Denver nonstop 71 times a week, from 5:00a to 9:13p: 5:00a UA1479 · 10:40a UA1604 · 2:20p UA1596 · 6:32p UA2436 · 9:13p UA301 · every nonstop SFO → DEN →
How UA2123 ran in our sample
5 of 7 departures left within 15 minutes of schedule (Oct 15–21). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Airbus A321neo on 7 of 7.
What time does UA2123 leave Denver?
UA2123 is scheduled to depart Denver (DEN) at 9:05p (daily), Denver time, and to land in San Francisco (SFO) at about 10:51p local time, a scheduled 2h46m. Times are the published ones from the flights we sampled Oct 15–21; check United for today's.
What plane is UA2123?
Airbus A321neo on 7 of the 7 UA2123 flights from DEN we sampled Oct 15–21. Airlines swap aircraft, so the plane on a given day can differ.
Does UA2123 fly every day?
Yes — UA2123 flew Denver to San Francisco every day of the week we sampled (Oct 15–21).
Is UA2123 usually on time?
Of 7 UA2123 departures from DEN we sampled Oct 15–21, 5 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 Denver
Timetable from United departures we observed; UA2123 is a United Airlines flight number, and Hop Nonstop is not affiliated with United. Schedules change — confirm with the airline before you travel.