Eugene (EUG) to San Francisco (SFO): On-Time Performance
Data through May 2026
Eugene (EUG) to San Francisco (SFO) effectively runs on two schedules. In October 2024, 93% of arrivals were on time; in May 2026 that fell to 53% — a 40-point seasonal swing. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (92% vs 70%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 2.7
- last 12 months
- Duration
- 1h 40m
- scheduled
- Distance
- 451 mi
Best airline from EUG to SFO
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 82% | 16 min | 0.5% | 1,487 |
| SkyWest Airlines | 72% | 25 min | 2.4% | 425 |
Monthly on-time trend
Best time to fly from EUG to SFO
Aim for departures around 6 a.m. (92% on-time); avoid 6 p.m. departures (68%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 16 min |
| Tuesdaybest | 86% | 12 min |
| Wednesday | 80% | 14 min |
| Thursday | 79% | 19 min |
| Friday | 76% | 28 min |
| Saturday | 84% | 15 min |
| Sunday | 71% | 23 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft24%
- Airline operations27%
- National airspace system48%
- Weather2%
Frequently asked questions
- How often are flights from EUG to SFO delayed?
- 21% of EUG–SFO flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 18 minutes.
- Which airline is most reliable from EUG to SFO?
- United Airlines has the best on-time record on this route at 82%, based on 1,487 flights. 2 airlines flew EUG–SFO frequently enough to compare in this period.
- What is the best time of day to fly from EUG to SFO?
- Departures around 6 a.m. have the best record (92% on-time), while departures around 6 p.m. have the worst (68%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from EUG to SFO?
- The scheduled EUG–SFO flight time averages 1h 40m over 451 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are EUG to SFO flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from EUG to SFO?
- May 2026 was the roughest month in this dataset, with only 53% of arrivals on time. The best was October 2024 at 93%. If your dates are flexible, that 40-point gap is worth planning around.
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Based on 1,912 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.