Best Time to Fly EUG to SFO: On-Time Stats by Hour & Airline
Mahlon Sweet Field → San Francisco International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 68.0% of Eugene (EUG) to San Francisco (SFO) flights arrived on time (994 scheduled flights). That is 9.6 points below the national average of 77.6%.
Among 2 airlines, United Airlines led with 74.5% on time and SkyWest Airlines was last with 44.4%.
Over 24 months, Saturday was the most reliable day (82% on time) and July the worst month (64%).
The cancellation rate was 1.0% (US average 1.8%).
EUG to SFO 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 | 74.5% | 69 min | 0.7% | 775 |
| SkyWest Airlines | 44.4% | 84 min | 2.3% | 219 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly EUG to SFO
On-time arrival % by scheduled departure hour (local time), 1,968 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 7 | |
| 6am–7am | 91.6% | 1.0% | 688 |
| 7am–8am | 85.3% | 0.0% | 34 |
| 8am–9am | Limited data | 1 | |
| 1pm–2pm | 63.2% | 0.3% | 300 |
| 2pm–3pm | 72.6% | 0.0% | 423 |
| 4pm–5pm | Limited data | 3 | |
| 6pm–7pm | 60.5% | 1.1% | 376 |
| 7pm–8pm | 76.2% | 4.4% | 136 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on EUG to SFO
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) | 85.7% | +7.7 pts | 0.0% | 42 |
| Christmas & New Year (Dec 20 - Jan 3) | 65.9% | -12.1 pts | 2.3% | 87 |
| Summer peak (Jun 15 - Aug 15) | 69.2% | -8.7 pts | 0.8% | 351 |
| All other days | 78.0% | — | 0.9% | 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).