Route · LAX → SAN · 2020–2025 BTS data
Los Angeles to San Diego
The LAX–SAN corridor (Los Angeles, CA → San Diego, CA) runs ahead of the national average, served by 7 carriers across roughly 109 miles.
Data updated 2026-06-13
- 86.8%
- On-time
- +7.8 pts
- vs US avg
- 77 min
- Delay when late
- 9,565
- Flights
Cancelled
0.7%
Best Month
May 2025 94%
Worst Month
Jun 2024 73%
Distance
109 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 187 | 42 | 1 | 0 | OO |
| Nov 2025 | 193 | 23 | 17 | 0 | OO,UA |
| Oct 2025 | 208 | 30 | 0 | 0 | OO,UA |
| Sep 2025 | 209 | 21 | 2 | 0 | UA,OO |
| Aug 2025 | 211 | 20 | 0 | 0 | OO,UA |
| Jul 2025 | 209 | 22 | 0 | 0 | OO |
| Jun 2025 | 205 | 30 | 0 | 0 | OO |
| May 2025 | 229 | 13 | 0 | 0 | OO,UA |
| Apr 2025 | 203 | 25 | 0 | 0 | OO |
| Mar 2025 | 177 | 30 | 0 | 0 | OO |
| Feb 2025 | 168 | 32 | 1 | 0 | OO |
| Jan 2025 | 181 | 19 | 0 | 0 | OO |
| Dec 2024 | 172 | 34 | 6 | 2 | OO |
| Nov 2024 | 176 | 23 | 0 | 0 | OO |
| Oct 2024 | 186 | 49 | 2 | 2 | OO |
| Sep 2024 | 178 | 30 | 0 | 0 | OO |
| Aug 2024 | 185 | 22 | 0 | 0 | OO |
| Jul 2024 | 186 | 48 | 0 | 0 | OO |
| Jun 2024 | 180 | 49 | 0 | 0 | OO |
| May 2024 | 186 | 27 | 0 | 0 | OO |
| Apr 2024 | 180 | 18 | 0 | 0 | OO |
| Mar 2024 | 184 | 20 | 1 | 1 | OO |
| Feb 2024 | 165 | 23 | 0 | 1 | OO |
| Jan 2024 | 178 | 19 | 0 | 0 | OO |
Cancellation Rate
0.7%
30 of 4,536 flights
Diversion Rate
0.1%
6 of 4,536 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LAX - Los Angeles
Full on-time, delay-cause, and seasonal performance for Los Angeles, CA.
Origin airport →SAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
Destination airport →Compare the two airports
See LAX and SAN side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to LAX–SAN.
Routes with a similar on-time rate
Routes of a similar trip length
What the Data Says About LAX to SAN
Los Angeles to San Diego (LAX to SAN) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.8% on-time rate across 9,565 flights, with delays that do happen averaging 77.1 minutes. The corridor runs roughly 109 miles and is served by 7 carriers. Over the most recent 24 months, 30 of 4,536 flights were cancelled (0.7%) and 6 diverted (0.1%).
The monthly split is wide on this route: May 2025 posted the strongest performance at 94% on-time, while Jun 2024 came in at just 73% - a 22-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from LAX to SAN? ▼
What is the cancellation rate for LAX to SAN? ▼
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Flight Guides
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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.