Flight OddsUA4733 BOI → SFO
United Airlines · Boise, ID to San Francisco, CA · 346 flights observed, 2025-07-01 to 2026-06-30 · 522 mi
UA4733 covers more than one route in the data window — the stats below are for BOI → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
70%
Median delay
0 min
90th percentile
+53 min
Cancellation rate
0%
How often is UA4733 on time?
Across 346 flights on BOI → SFO from 2025-07-01 to 2026-06-30, UA4733 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +53 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 | 241 | 70% |
| 16-30 min | 41 | 12% |
| 31-60 min | 35 | 10% |
| 61-120 min | 18 | 5% |
| 2+ hrs | 11 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 68% | +10 min |
| 2025-08 | 31 | 94% | -3 min |
| 2025-09 | 30 | 70% | +29 min |
| 2025-10 | 31 | 81% | +5 min |
| 2025-11 | 30 | 73% | +21 min |
| 2025-12 | 17 | 76% | -1 min |
| 2026-01 | 26 | 92% | -18 min |
| 2026-02 | 28 | 71% | +4 min |
| 2026-03 | 31 | 84% | -5 min |
| 2026-04 | 30 | 70% | +26 min |
| 2026-05 | 31 | 39% | +30 min |
| 2026-06 | 30 | 23% | +36 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 55% |
| Tue | 51 | 84% |
| Wed | 50 | 70% |
| Thu | 49 | 69% |
| Fri | 49 | 61% |
| Sat | 49 | 84% |
| Sun | 49 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…