Flight OddsUA566 SFO → DEN
United Airlines · San Francisco, CA to Denver, CO · 85 flights observed, 2025-07-01 to 2025-09-24 · 967 mi
UA566 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
63%
Median delay
+6 min
90th percentile
+89 min
Cancellation rate
0%
How often is UA566 on time?
Across 85 flights on SFO → DEN from 2025-07-01 to 2025-09-24, UA566 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +89 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 | 52 | 63% |
| 16-30 min | 13 | 16% |
| 31-60 min | 7 | 8% |
| 61-120 min | 7 | 8% |
| 2+ hrs | 4 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 57% | +32 min |
| 2025-08 | 31 | 71% | +17 min |
| 2025-09 | 24 | 58% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 67% |
| Tue | 13 | 54% |
| Wed | 12 | 75% |
| Thu | 12 | 50% |
| Fri | 11 | 36% |
| Sat | 12 | 67% |
| Sun | 11 | 91% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…