PlainFlights

Route · SAN → MRY · 2020–2025 BTS data

San Diego to Monterey

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SAN to MRY (San Diego to Monterey) ranks #3773 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

79.2%
On-time
+0.2 pts
vs US avg
56 min
Delay when late
2,085
Flights
#3773 of 4927
Corpus placement

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

SAN–MRY seasonal on-time pattern

Best: May (85.2%) · weakest: December (65.5%)

60%65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 65.5%

Strongest calendar month

May

85.2% on-time · ~52 flights/mo

Busiest calendar month

February

~56 flights/mo avg

Weakest calendar month

December

65.5% on-time · ~40 flights/mo

Cancellation Rate

1.8%

24 of 1,320 flights

Diversion Rate

0.8%

10 of 1,320 flights

Origin-hub reliability standing

Mid-pack among SAN departures

From SAN, this corridor sits with 34 other 75–85% on-time routes out of 51 tracked departures, not the hub's reliability leaders (13 at ≥85%) and not the softest ( 4 below 75%). Destination: Monterey · fleet on-time rank #3451 of 4927.

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.

On the multi-year calendar, SAN–MRY peaks in May at 85.2% on-time while February carries the heaviest traffic (~56 flights per month) ; the softest month is December at 65.5%, a 19.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SAN to MRY rank among US routes by traffic?
According to PlainFlights' route traffic ranking, SAN to MRY ranks #3773 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SAN to MRY?
Flights from San Diego to Monterey have a 79.2% on-time rate based on 2,085 flights. The average delay is 56.2 minutes. The best recent month was May 2025 with 87% on-time.
What is the cancellation rate for SAN to MRY?
Over the last 24 months, 1.8% of flights on this route were cancelled (24 of 1,320 flights) and 0.8% were diverted.
How far is the flight from SAN to MRY?
The flight distance from San Diego (SAN) to Monterey (MRY) is approximately 375 miles. This route is served by 2 carriers.
When is the best time to fly from SAN to MRY?
The best recent month for on-time performance was May 2025 (87% on-time). The worst was Dec 2024 (47% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Using SAN–MRY data

SAN–MRY is mid-pack at 79.2% on-time; month and carrier mix move more than the corridor headline.

  • Compare SAN and MRY airport profiles: delay causes and top routes differ even on the same corridor. SAN airport
  • If your dates flex, May (85.2% on-time) beats December (65.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 79.2% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.