Monterey (MRY) to San Diego (SAN): On-Time Performance
Data through May 2026
When you fly MRY to SAN matters as much as anything else about the booking: the route swung from 88% on-time in June 2024 to just 56% in December 2024. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 67%), which matters most in the rough months.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 2.2%
- Flights/day
- 1.5
- last 12 months
- Duration
- 1h 25m
- scheduled
- Distance
- 375 mi
Monthly on-time trend
Best time to fly from MRY to SAN
Aim for departures around 6 a.m. (88% on-time); avoid 6 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 19 min |
| Tuesday | 86% | 11 min |
| Wednesday | 83% | 8 min |
| Thursday | 71% | 15 min |
| Friday | 74% | 22 min |
| Saturdaybest | 87% | 10 min |
| Sunday | 72% | 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 operations29%
- National airspace system19%
- Weather13%
Frequently asked questions
- How often are flights from MRY to SAN delayed?
- 22% of MRY–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 14 minutes.
- What is the best time of day to fly from MRY to SAN?
- Departures around 6 a.m. have the best record (88% on-time), while departures around 6 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MRY to SAN?
- The scheduled MRY–SAN flight time averages 1h 25m over 375 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are MRY to SAN flights cancelled?
- 2.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from MRY to SAN?
- December 2024 was the roughest month in this dataset, with only 56% of arrivals on time. The best was June 2024 at 88%. If your dates are flexible, that 33-point gap is worth planning around.
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Based on 1,269 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.