United Airlines
UA2123Denver to San Francisco
United Airlines flight UA2123 flies from Denver (DEN) to San Francisco (SFO), 1,553 km. Over August 2025 to July 2026 it usually arrives about 21 minutes late: 61% of 568 flights arrived within 15 minutes of schedule and 0.2% were cancelled (US Department of Transportation data).
On-time record, last 12 months
61%
on time (within 15 min)
25%
more than 30 min late
0.2%
cancelled
+21 min
average arrival vs schedule
Every operation of UA2123, August 2025 to July 2026: 568 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA2123
- Denver (DEN) to San Francisco (SFO)275 flights
- Kansas City (MCI) to Denver (DEN)272 flights
- San Jose (SJC) to Denver (DEN)21 flights
Other flights from Denver to San Francisco
More about Denver (DEN) and San Francisco (SFO).
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