Flight OddsUnited Airlines · Detroit, MI to San Francisco, CA · 144 flights observed, 2025-07-02 to 2025-12-01 · 2,079 mi
UA2866 covers more than one route in the data window — the stats below are for DTW → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA2866 on time?
Across 144 flights on DTW → SFO from 2025-07-02 to 2025-12-01, UA2866 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +65 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 110 | 78% |
| 16-30 min | 10 | 7% |
| 31-60 min | 6 | 4% |
| 61-120 min | 5 | 4% |
| 2+ hrs | 10 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 19 | 68% | +16 min |
| 2025-08 | 30 | 73% | +15 min |
| 2025-09 | 30 | 93% | -15 min |
| 2025-10 | 31 | 84% | +12 min |
| 2025-11 | 30 | 67% | +25 min |
| 2025-12 | 1 | 100% | -11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 21 | 81% |
| Tue | 16 | 88% |
| Wed | 22 | 64% |
| Thu | 21 | 62% |
| Fri | 21 | 86% |
| Sat | 18 | 89% |
| Sun | 22 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…