Best Time to Fly SFO to EUG: On-Time Stats by Hour & Airline
San Francisco International → Mahlon Sweet Field
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 75.7% of San Francisco (SFO) to Eugene (EUG) flights arrived on time (994 scheduled flights). That is 1.9 points below the national average of 77.6%.
Among 2 airlines, United Airlines led with 78.2% on time and SkyWest Airlines was last with 67.0%.
Over 24 months, Saturday was the most reliable day (86% on time) and July the worst month (63%).
The cancellation rate was 0.5% (US average 1.8%).
SFO to EUG 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 | 78.2% | 76 min | 0.1% | 775 |
| SkyWest Airlines | 67.0% | 62 min | 1.8% | 219 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SFO to EUG
On-time arrival % by scheduled departure hour (local time), 1,968 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | Limited data | 1 | |
| 10am–11am | 82.8% | 0.0% | 729 |
| 11am–12pm | Limited data | 1 | |
| 1pm–2pm | Limited data | 2 | |
| 4pm–5pm | 78.8% | 1.2% | 486 |
| 5pm–6pm | 93.8% | 0.0% | 32 |
| 6pm–7pm | Limited data | 22 | |
| 7pm–8pm | 84.9% | 0.0% | 119 |
| 8pm–9pm | 76.9% | 1.9% | 106 |
| 9pm–10pm | 71.0% | 0.3% | 364 |
| 10pm–11pm | 67.6% | 2.6% | 76 |
| 11pm–12am | Limited data | 30 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SFO to EUG
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) | 95.2% | +13.4 pts | 0.0% | 42 |
| Christmas & New Year (Dec 20 - Jan 3) | 67.9% | -14.0 pts | 3.5% | 87 |
| Summer peak (Jun 15 - Aug 15) | 67.9% | -13.9 pts | 0.3% | 351 |
| All other days | 81.8% | — | 0.5% | 1,488 |
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).