Flight OddsUnited Airlines · Boston, MA to San Francisco, CA · 247 flights observed, 2025-07-01 to 2026-03-04 · 2,704 mi
UA1008 covers more than one route in the data window — the stats below are for BOS → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA1008 on time?
Across 247 flights on BOS → SFO from 2025-07-01 to 2026-03-04, UA1008 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +21 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 | 208 | 86% |
| 16-30 min | 16 | 7% |
| 31-60 min | 12 | 5% |
| 61-120 min | 2 | 1% |
| 2+ hrs | 3 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 77% | +3 min |
| 2025-08 | 30 | 83% | -4 min |
| 2025-09 | 30 | 93% | -10 min |
| 2025-10 | 31 | 90% | -9 min |
| 2025-11 | 30 | 90% | -18 min |
| 2025-12 | 30 | 83% | -3 min |
| 2026-01 | 30 | 90% | -8 min |
| 2026-02 | 25 | 80% | +4 min |
| 2026-03 | 4 | 100% | -12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 32 | 88% |
| Tue | 35 | 94% |
| Wed | 35 | 83% |
| Thu | 34 | 88% |
| Fri | 35 | 86% |
| Sat | 35 | 86% |
| Sun | 35 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…