UA1812 SFO → PDX
United Airlines · San Francisco, CA to Portland, OR · 53 flights observed, 2026-03-29 to 2026-05-20 · 550 mi
UA1812 covers more than one route in the data window — the stats below are for SFO → PDX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
74%
Median delay
-15 min
90th percentile
+60 min
Cancellation rate
0%
How often is UA1812 on time?
Across 53 flights on SFO → PDX from 2026-03-29 to 2026-05-20, UA1812 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +60 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 | 39 | 74% |
| 16-30 min | 6 | 11% |
| 31-60 min | 3 | 6% |
| 61-120 min | 4 | 8% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 67% | -6 min |
| 2026-04 | 30 | 77% | -2 min |
| 2026-05 | 20 | 70% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | 8 | 75% |
| Wed | 8 | 100% |
| Thu | 7 | 43% |
| Fri | 7 | 71% |
| Sat | 7 | 71% |
| Sun | 8 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…