Reno (RNO) to San Diego (SAN): On-Time Performance
Data through May 2026
Reno (RNO) to San Diego (SAN) effectively runs on two schedules. In June 2025, 87% of arrivals were on time; in December 2024 that fell to 62% — a 25-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 (82% vs 56%), which matters most in the rough months.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 1.4%
- Flights/day
- 3.1
- last 12 months
- Duration
- 1h 37m
- scheduled
- Distance
- 488 mi
Best airline from RNO to SAN
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 75% | 15 min | 1.1% | 1,808 |
| SkyWest Airlines | 69% | 20 min | 3.6% | 305 |
Monthly on-time trend
Best time to fly from RNO to SAN
Aim for departures around 7 a.m. (92% on-time); avoid 6 p.m. departures (49%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 15 min |
| Tuesday | 82% | 11 min |
| Wednesday | 81% | 14 min |
| Thursday | 67% | 19 min |
| Friday | 68% | 20 min |
| Saturdaybest | 84% | 8 min |
| Sunday | 71% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft43%
- Airline operations20%
- National airspace system33%
- Weather4%
Frequently asked questions
- How often are flights from RNO to SAN delayed?
- 26% of RNO–SAN 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 16 minutes.
- Which airline is most reliable from RNO to SAN?
- Southwest Airlines has the best on-time record on this route at 75%, based on 1,808 flights. 2 airlines flew RNO–SAN frequently enough to compare in this period.
- What is the best time of day to fly from RNO to SAN?
- Departures around 7 a.m. have the best record (92% on-time), while departures around 6 p.m. have the worst (49%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from RNO to SAN?
- The scheduled RNO–SAN flight time averages 1h 37m over 488 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are RNO to SAN flights cancelled?
- 1.4% 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 RNO to SAN?
- December 2024 was the roughest month in this dataset, with only 62% of arrivals on time. The best was June 2025 at 87%. If your dates are flexible, that 25-point gap is worth planning around.
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Based on 2,122 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.