Route · SAN → MRY · 2020–2025 BTS data
San Diego to Monterey
The SAN–MRY corridor (San Diego, CA → Monterey, CA) runs ahead of the national average, served by 2 carriers across roughly 375 miles.
Data updated 2026-06-13
- 79.2%
- On-time
- +0.2 pts
- vs US avg
- 56 min
- Delay when late
- 2,085
- Flights
Cancelled
1.8%
Best Month
May 2025 87%
Worst Month
Dec 2024 47%
Distance
375 mi
Carriers
2
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 35 | 13 | 4 | 0 | OO |
| Nov 2025 | 59 | 13 | 2 | 0 | OO |
| Oct 2025 | 62 | 13 | 2 | 1 | OO |
| Sep 2025 | 60 | 9 | 1 | 0 | OO |
| Aug 2025 | 62 | 10 | 0 | 0 | OO |
| Jul 2025 | 61 | 18 | 3 | 0 | OO |
| Jun 2025 | 60 | 16 | 1 | 0 | OO |
| May 2025 | 62 | 8 | 1 | 1 | OO |
| Apr 2025 | 60 | 20 | 0 | 0 | OO |
| Mar 2025 | 62 | 18 | 4 | 2 | OO |
| Feb 2025 | 56 | 18 | 1 | 1 | OO |
| Jan 2025 | 62 | 19 | 1 | 0 | OO |
| Dec 2024 | 53 | 28 | 2 | 2 | OO |
| Nov 2024 | 59 | 22 | 0 | 0 | OO |
| Oct 2024 | 55 | 21 | 1 | 0 | OO |
| Sep 2024 | 60 | 22 | 1 | 1 | OO |
| Aug 2024 | 62 | 15 | 0 | 1 | OO |
| Jul 2024 | 61 | 26 | 0 | 1 | OO |
| Jun 2024 | 60 | 15 | 0 | 0 | OO |
| May 2024 | 62 | 14 | 0 | 0 | OO |
| Apr 2024 | 45 | 8 | 0 | 0 | OO |
| Dec 2023 | 31 | 0 | 0 | 0 | OO |
| Nov 2023 | 40 | 4 | 0 | 0 | OO |
| Oct 2023 | 31 | 3 | 0 | 0 | OO |
Cancellation Rate
1.8%
24 of 1,320 flights
Diversion Rate
0.8%
10 of 1,320 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
Origin airport →MRY - Monterey
Full on-time, delay-cause, and seasonal performance for Monterey, CA.
Destination airport →Compare the two airports
See SAN and MRY side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SAN–MRY.
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What the Data Says About SAN to MRY
2,085 tracked flights put the SAN to MRY pairing (San Diego to Monterey) at a 79.2% on-time rate, squarely in line with the wider network. Delays that do occur run 56.2 minutes on average. Across the 375-mile route and its 2 carriers, the trailing 24 months show 1.8% cancelled and 0.8% diverted (1,320 flights sampled).
The monthly split is wide on this route: May 2025 posted the strongest performance at 87% on-time, while Dec 2024 came in at just 47% - a 40-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.