Flight OddsUnited Airlines · Newark, NJ to San Francisco, CA · 328 flights observed, 2025-07-01 to 2026-06-30 · 2,565 mi
UA1227 covers more than one route in the data window — the stats below are for EWR → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA1227 on time?
Across 328 flights on EWR → SFO from 2025-07-01 to 2026-06-30, UA1227 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +102 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 | 237 | 75% |
| 16-30 min | 19 | 6% |
| 31-60 min | 22 | 7% |
| 61-120 min | 12 | 4% |
| 2+ hrs | 28 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 90% | -7 min |
| 2025-08 | 14 | 86% | +8 min |
| 2025-09 | 6 | 83% | +5 min |
| 2025-10 | 31 | 81% | +13 min |
| 2025-11 | 30 | 73% | +23 min |
| 2025-12 | 31 | 65% | +33 min |
| 2026-01 | 30 | 70% | +21 min |
| 2026-02 | 27 | 74% | +10 min |
| 2026-03 | 30 | 83% | +16 min |
| 2026-04 | 28 | 82% | +27 min |
| 2026-05 | 31 | 74% | +24 min |
| 2026-06 | 30 | 47% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 44 | 66% |
| Tue | 47 | 83% |
| Wed | 43 | 79% |
| Thu | 45 | 69% |
| Fri | 46 | 76% |
| Sat | 47 | 79% |
| Sun | 46 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…