Best Time to Fly SMF to EWR: On-Time Stats by Hour & Airline
Sacramento International → Newark Liberty International
Data through July 2026 · Last updated October 18, 2026
283 flights were scheduled from Sacramento (SMF) to Newark (EWR) in the last 12 months, and 76.4% of those that flew arrived on time, 1.3 points below the US average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (83% on time) and July the worst month (53%).
The cancellation rate was 2.1% (US average 1.8%).
SMF to EWR on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 76.4% | 60 min | 2.1% | 283 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SMF to EWR
On-time arrival % by scheduled departure hour (local time), 566 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9pm–10pm | 87.5% | 2.4% | 41 |
| 10pm–11pm | 80.5% | 2.6% | 154 |
| 11pm–12am | 73.0% | 1.6% | 371 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SMF to EWR
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 30 | ||
| Summer peak (Jun 15 - Aug 15) | 62.4% | -16.0 pts | 5.7% | 124 |
| All other days | 78.4% | — | 0.8% | 398 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).