Flight OddsUA1558 EWR → SFO
United Airlines · Newark, NJ to San Francisco, CA · 211 flights observed, 2025-09-25 to 2026-06-30 · 2,565 mi
UA1558 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”.
On-time arrival
55%
Median delay
+6 min
90th percentile
+80 min
Cancellation rate
3%
How often is UA1558 on time?
Across 211 flights on EWR → SFO from 2025-09-25 to 2026-06-30, UA1558 arrived within 15 minutes of schedule 55% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +80 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 112 | 55% |
| 16-30 min | 20 | 10% |
| 31-60 min | 42 | 20% |
| 61-120 min | 17 | 8% |
| 2+ hrs | 14 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 5 | 100% | -11 min |
| 2025-10 | 27 | 33% | +33 min |
| 2025-11 | 25 | 72% | +12 min |
| 2025-12 | 29 | 55% | +34 min |
| 2026-01 | 5 | 0% | +94 min |
| 2026-02 | 12 | 50% | +45 min |
| 2026-03 | 26 | 73% | +15 min |
| 2026-04 | 26 | 77% | -1 min |
| 2026-05 | 24 | 58% | +9 min |
| 2026-06 | 26 | 19% | +50 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 34 | 53% |
| Tue | 34 | 74% |
| Wed | 31 | 58% |
| Thu | 34 | 41% |
| Fri | 34 | 62% |
| Sat | 6 | 33% |
| Sun | 32 | 44% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…