Best Time to Fly SJC to EUG: On-Time Stats by Hour & Airline
Norman Y. Mineta San Jose International → Mahlon Sweet Field
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 72.9% of San Jose (SJC) to Eugene (EUG) flights arrived on time (262 scheduled flights). That is 4.7 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
August has been the best month (97% on time) and Wednesday the weakest day of the week (74%).
0.0% of flights were cancelled, versus 1.8% nationally.
SJC 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 |
|---|---|---|---|---|
| Southwest Airlines | 72.9% | 43 min | 0.0% | 262 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SJC to EUG
On-time arrival % by scheduled departure hour (local time), 477 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 6 | |
| 8am–9am | 94.4% | 0.0% | 36 |
| 9am–10am | 95.5% | 0.0% | 88 |
| 10am–11am | 94.2% | 0.0% | 52 |
| 11am–12pm | 83.9% | 0.0% | 87 |
| 12pm–1pm | Limited data | 12 | |
| 1pm–2pm | 69.6% | 0.0% | 46 |
| 2pm–3pm | 49.4% | 0.0% | 89 |
| 3pm–4pm | 89.6% | 0.0% | 48 |
| 4pm–5pm | Limited data | 13 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SJC 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) | Limited data | 11 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 22 | ||
| Summer peak (Jun 15 - Aug 15) | 76.2% | -6.1 pts | 0.0% | 105 |
| All other days | 82.3% | — | 0.0% | 339 |
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).