Flight OddsUA1372 SFO → BOS
United Airlines · San Francisco, CA to Boston, MA · 309 flights observed, 2025-08-01 to 2026-06-30 · 2,704 mi
UA1372 covers more than one route in the data window — the stats below are for SFO → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-8 min
90th percentile
+61 min
Cancellation rate
1%
How often is UA1372 on time?
Across 309 flights on SFO → BOS from 2025-08-01 to 2026-06-30, UA1372 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +61 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 243 | 80% |
| 16-30 min | 14 | 5% |
| 31-60 min | 16 | 5% |
| 61-120 min | 16 | 5% |
| 2+ hrs | 15 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 31 | 87% | +2 min |
| 2025-09 | 30 | 80% | +8 min |
| 2025-10 | 30 | 90% | +2 min |
| 2025-11 | 29 | 79% | +13 min |
| 2025-12 | 31 | 90% | -7 min |
| 2026-01 | 30 | 70% | +14 min |
| 2026-02 | 25 | 92% | -6 min |
| 2026-03 | 7 | 71% | -8 min |
| 2026-04 | 30 | 70% | +8 min |
| 2026-05 | 31 | 71% | +1 min |
| 2026-06 | 30 | 73% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 44 | 84% |
| Tue | 44 | 80% |
| Wed | 44 | 84% |
| Thu | 42 | 71% |
| Fri | 43 | 81% |
| Sat | 44 | 84% |
| Sun | 43 | 74% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…