Eugene (EUG) to San Diego (SAN): On-Time Performance
Data through July 2026
Eugene (EUG) to San Diego (SAN) effectively runs on two schedules. In April 2026, 91% of arrivals were on time; in February 2025 that fell to 37% — a 54-point seasonal swing. Across the full period the route averages 74% on-time against a national 78%. Morning departures also hold up better than evening ones (79% vs 64%), which matters most in the rough months.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 1.3
- last 12 months
- Duration
- 2h 28m
- scheduled
- Distance
- 850 mi
Best airline from EUG to SAN
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 79% | 9 min | 0.0% | 142 |
| Alaska Airlines | 79% | 12 min | 2.7% | 73 |
| SkyWest Airlines | 73% | 17 min | 0.5% | 557 |
Monthly on-time trend
Best time to fly from EUG to SAN
Aim for departures around 4 p.m. (91% on-time); avoid 2 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 71% | 14 min |
| Tuesdaybest | 85% | 12 min |
| Wednesday | 81% | 11 min |
| Thursday | 62% | 20 min |
| Friday | 63% | 23 min |
| Saturday | 84% | 10 min |
| Sunday | 77% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations35%
- National airspace system19%
- Weather6%
Frequently asked questions
- How often are flights from EUG to SAN delayed?
- 26% of EUG–SAN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from EUG to SAN?
- Southwest Airlines has the best on-time record on this route at 79%, based on 142 flights. 3 airlines flew EUG–SAN frequently enough to compare in this period.
- What is the best time of day to fly from EUG to SAN?
- Departures around 4 p.m. have the best record (91% on-time), while departures around 2 p.m. have the worst (58%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from EUG to SAN?
- The scheduled EUG–SAN flight time averages 2h 28m over 850 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are EUG to SAN flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from EUG to SAN?
- February 2025 was the roughest month in this dataset, with only 37% of arrivals on time. The best was April 2026 at 91%. If your dates are flexible, that 54-point gap is worth planning around.
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Based on 772 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.