UA1777 EWR → SFO
United Airlines · Newark, NJ to San Francisco, CA · 347 flights observed, 2025-07-01 to 2026-06-30 · 2,565 mi
UA1777 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
72%
Median delay
-4 min
90th percentile
+54 min
Cancellation rate
3%
How often is UA1777 on time?
Across 347 flights on EWR → SFO from 2025-07-01 to 2026-06-30, UA1777 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +54 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 | 244 | 72% |
| 16-30 min | 33 | 10% |
| 31-60 min | 32 | 9% |
| 61-120 min | 13 | 4% |
| 2+ hrs | 15 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 83% | -6 min |
| 2025-08 | 13 | 85% | 0 min |
| 2025-09 | 30 | 90% | -11 min |
| 2025-10 | 30 | 60% | +18 min |
| 2025-11 | 29 | 66% | +8 min |
| 2025-12 | 30 | 50% | +28 min |
| 2026-01 | 29 | 79% | +16 min |
| 2026-02 | 26 | 73% | +22 min |
| 2026-03 | 30 | 77% | +18 min |
| 2026-04 | 30 | 73% | +19 min |
| 2026-05 | 31 | 68% | +20 min |
| 2026-06 | 30 | 73% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 66% |
| Tue | 48 | 71% |
| Wed | 50 | 80% |
| Thu | 48 | 67% |
| Fri | 48 | 79% |
| Sat | 49 | 65% |
| Sun | 47 | 79% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…