Best Time to Fly EUG to OAK: On-Time Stats by Hour & Airline
Mahlon Sweet Field → Oakland International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 89.9% of Eugene (EUG) to Oakland (OAK) flights arrived on time (217 scheduled flights). That is 12.2 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Monday was the most reliable day (90% on time) and July the worst month (65%).
The cancellation rate was 0.0% (US average 1.8%).
EUG to OAK 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 | 89.9% | 39 min | 0.0% | 217 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly EUG to OAK
On-time arrival % by scheduled departure hour (local time), 583 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 94.7% | 0.0% | 57 |
| 6am–7am | 92.3% | 0.0% | 183 |
| 9am–10am | Limited data | 1 | |
| 10am–11am | 94.4% | 0.0% | 71 |
| 11am–12pm | 94.9% | 0.0% | 79 |
| 12pm–1pm | 91.7% | 0.0% | 36 |
| 1pm–2pm | Limited data | 19 | |
| 2pm–3pm | 76.3% | 0.0% | 76 |
| 3pm–4pm | Limited data | 26 | |
| 4pm–5pm | Limited data | 2 | |
| 5pm–6pm | 84.8% | 0.0% | 33 |
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 OAK
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) | 83.3% | -8.4 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 71.4% | -20.3 pts | 0.0% | 77 |
| All other days | 91.8% | — | 0.0% | 462 |
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).