Flight OddsUA2123 DEN → SFO
United Airlines · Denver, CO to San Francisco, CA · 244 flights observed, 2025-10-26 to 2026-06-30 · 967 mi
UA2123 covers more than one route in the data window — the stats below are for DEN → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
64%
Median delay
+6 min
90th percentile
+80 min
Cancellation rate
0%
How often is UA2123 on time?
Across 244 flights on DEN → SFO from 2025-10-26 to 2026-06-30, UA2123 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +80 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 155 | 64% |
| 16-30 min | 26 | 11% |
| 31-60 min | 27 | 11% |
| 61-120 min | 26 | 11% |
| 2+ hrs | 9 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 33% | +27 min |
| 2025-11 | 29 | 62% | +18 min |
| 2025-12 | 31 | 68% | +22 min |
| 2026-01 | 30 | 73% | +16 min |
| 2026-02 | 26 | 81% | +3 min |
| 2026-03 | 31 | 87% | +6 min |
| 2026-04 | 30 | 60% | +20 min |
| 2026-05 | 30 | 50% | +22 min |
| 2026-06 | 30 | 37% | +39 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 36 | 56% |
| Tue | 32 | 84% |
| Wed | 35 | 69% |
| Thu | 34 | 62% |
| Fri | 35 | 54% |
| Sat | 35 | 83% |
| Sun | 36 | 42% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…