San Francisco (SFO) to Monterey (MRY): On-Time Performance
Data through May 2026
The calendar drives reliability on SFO–MRY. April 2025 flights landed on schedule 97% of the time, but May 2026 dropped to 63% — a gap of 34 points. Across the full period the route averages 81% on-time against a national 78%.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 1.9
- last 12 months
- Duration
- 59m
- scheduled
- Distance
- 77 mi
Monthly on-time trend
Best time to fly from SFO to MRY
Aim for departures around 11 p.m. (88% on-time); avoid 8 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 28 min |
| Tuesday | 88% | 13 min |
| Wednesday | 84% | 26 min |
| Thursday | 75% | 27 min |
| Friday | 77% | 25 min |
| Saturdaybest | 89% | 11 min |
| Sunday | 76% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft25%
- Airline operations27%
- National airspace system32%
- Weather16%
Frequently asked questions
- How often are flights from SFO to MRY delayed?
- 19% of SFO–MRY 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 22 minutes.
- What is the best time of day to fly from SFO to MRY?
- Departures around 11 p.m. have the best record (88% on-time), while departures around 8 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 SFO to MRY?
- The scheduled SFO–MRY flight time averages 59m over 77 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are SFO to MRY flights cancelled?
- 1.1% 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 SFO to MRY?
- May 2026 was the roughest month in this dataset, with only 63% of arrivals on time. The best was April 2025 at 97%. If your dates are flexible, that 34-point gap is worth planning around.
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Based on 1,333 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.