Flight OddsUA1233 SFO → DEN
United Airlines · San Francisco, CA to Denver, CO · 71 flights observed, 2026-01-06 to 2026-06-24 · 967 mi
UA1233 covers more than one route in the data window — the stats below are for SFO → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
96%
Median delay
-10 min
90th percentile
+4 min
Cancellation rate
0%
How often is UA1233 on time?
Across 71 flights on SFO → DEN from 2026-01-06 to 2026-06-24, UA1233 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +4 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 | 68 | 96% |
| 16-30 min | 2 | 3% |
| 31-60 min | 1 | 1% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 96% | -9 min |
| 2026-02 | 10 | 100% | -14 min |
| 2026-05 | 11 | 100% | -9 min |
| 2026-06 | 24 | 92% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 90% |
| Tue | 11 | 91% |
| Wed | 10 | 100% |
| Thu | 10 | 100% |
| Fri | 10 | 100% |
| Sat | 10 | 90% |
| Sun | 10 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…