San Diego (SAN) to Eugene (EUG): On-Time Performance
Data through May 2026
San Diego (SAN) to Eugene (EUG) is a thinner route than most in this dataset — 363 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 78% arrived on time.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 0.99
- last 12 months
- Duration
- 2h 34m
- scheduled
- Distance
- 850 mi
Best airline from SAN to EUG
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 86% | 6 min | 0.0% | 83 |
| SkyWest Airlines | 78% | 14 min | 0.2% | 462 |
| Alaska Airlines | 73% | 11 min | 2.7% | 73 |
Monthly on-time trend
Best time to fly from SAN to EUG
Aim for departures around 8 a.m. (85% on-time); avoid 3 p.m. departures (75%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 11 min |
| Tuesday | 78% | 8 min |
| Wednesdaybest | 88% | 6 min |
| Thursday | 82% | 10 min |
| Friday | 73% | 21 min |
| Saturday | 82% | 13 min |
| Sunday | 71% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft60%
- Airline operations14%
- National airspace system25%
- Weather2%
- Security1%
Frequently asked questions
- How often are flights from SAN to EUG delayed?
- 22% of SAN–EUG 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 12 minutes.
- Which airline is most reliable from SAN to EUG?
- Southwest Airlines has the best on-time record on this route at 86%, based on 83 flights. 3 airlines flew SAN–EUG frequently enough to compare in this period.
- What is the best time of day to fly from SAN to EUG?
- Departures around 8 a.m. have the best record (85% on-time), while departures around 3 p.m. have the worst (75%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SAN to EUG?
- The scheduled SAN–EUG flight time averages 2h 34m over 850 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are SAN to EUG flights cancelled?
- 0.5% 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 SAN to EUG?
- January 2025 was the roughest month in this dataset, with only 50% of arrivals on time. The best was May 2026 at 91%. If your dates are flexible, that 41-point gap is worth planning around.
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Based on 618 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.