Flight OddsUA4753 BOI → SFO
United Airlines · Boise, ID to San Francisco, CA · 246 flights observed, 2025-08-20 to 2026-05-20 · 522 mi
UA4753 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
69%
Median delay
-4 min
90th percentile
+80 min
Cancellation rate
0%
How often is UA4753 on time?
Across 246 flights on BOI → SFO from 2025-08-20 to 2026-05-20, UA4753 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +80 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 | 168 | 69% |
| 16-30 min | 19 | 8% |
| 31-60 min | 23 | 9% |
| 61-120 min | 19 | 8% |
| 2+ hrs | 16 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 8 | 75% | +6 min |
| 2025-09 | 23 | 74% | +14 min |
| 2025-10 | 31 | 68% | +5 min |
| 2025-11 | 29 | 79% | +3 min |
| 2025-12 | 29 | 72% | +16 min |
| 2026-01 | 27 | 70% | +16 min |
| 2026-02 | 24 | 79% | +49 min |
| 2026-03 | 30 | 70% | +9 min |
| 2026-04 | 30 | 57% | +21 min |
| 2026-05 | 14 | 29% | +56 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 39 | 72% |
| Tue | 21 | 86% |
| Wed | 39 | 69% |
| Thu | 38 | 58% |
| Fri | 39 | 67% |
| Sat | 31 | 77% |
| Sun | 38 | 61% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…