Route · SAN → LAX · 2020–2025 BTS data
San Diego to Los Angeles
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SAN to LAX (San Diego to Los Angeles) ranks #1227 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 89.5%
- On-time
- +10.5 pts
- vs US avg
- 82 min
- Delay when late
- 9,556
- Flights
- #1227 of 4927
- Corpus placement
Cancelled
0.6%
Best Month
Jul 2025 93%
Worst Month
Oct 2024 78%
Distance
109 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 188 | 39 | 1 | 0 | UA,OO |
| Nov 2025 | 193 | 27 | 17 | 0 | OO,UA |
| Oct 2025 | 208 | 25 | 0 | 0 | OO,UA |
| Sep 2025 | 209 | 22 | 2 | 0 | UA,OO |
| Aug 2025 | 211 | 16 | 0 | 0 | OO,UA |
| Jul 2025 | 209 | 14 | 0 | 0 | OO |
| Jun 2025 | 205 | 25 | 0 | 0 | OO |
| May 2025 | 229 | 16 | 0 | 0 | OO,UA |
| Apr 2025 | 203 | 25 | 0 | 0 | OO |
| Mar 2025 | 177 | 27 | 0 | 0 | OO |
| Feb 2025 | 168 | 26 | 0 | 0 | OO |
| Jan 2025 | 181 | 21 | 0 | 0 | OO |
| Dec 2024 | 172 | 32 | 6 | 0 | OO |
| Nov 2024 | 176 | 15 | 0 | 0 | OO |
| Oct 2024 | 186 | 40 | 2 | 0 | OO |
| Sep 2024 | 178 | 32 | 0 | 0 | OO |
| Aug 2024 | 185 | 13 | 0 | 0 | OO |
| Jul 2024 | 186 | 34 | 0 | 0 | OO |
| Jun 2024 | 180 | 32 | 0 | 0 | OO |
| May 2024 | 186 | 20 | 0 | 0 | OO |
| Apr 2024 | 180 | 18 | 0 | 0 | OO |
| Mar 2024 | 184 | 16 | 1 | 0 | OO |
| Feb 2024 | 165 | 17 | 0 | 0 | OO |
| Jan 2024 | 178 | 13 | 0 | 0 | OO |
SAN–LAX seasonal on-time pattern
Best: May (93.0%) · weakest: December (85.1%)
Strongest calendar month
May
93.0% on-time · ~158 flights/mo
Busiest calendar month
May
~158 flights/mo avg
Weakest calendar month
December
85.1% on-time · ~131 flights/mo
Cancellation Rate
0.6%
29 of 4,537 flights
Diversion Rate
0.0%
0 of 4,537 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.
SAN on-time profileLAX - Los Angeles
Full on-time, delay-cause, and seasonal performance for Los Angeles, CA.
LAX on-time profileCompare the two airports
See SAN and LAX side by side on delays, cancellations, and reliability.
Compare SAN vs LAXOrigin-hub reliability standing
Among SAN's stronger departures
SAN → LAX posts a 89.5% on-time rate, landing in the ≥85% band with 13 of 51 BTS-tracked routes leaving San Diego. The same hub also shows 34 mid-band and 4 challenged departures · fleet-wide on-time rank #190 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SAN–LAX.
Routes with a similar on-time rate
Routes of a similar trip length
What the Data Says About SAN to LAX
San Diego to Los Angeles (SAN to LAX) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89.5% on-time rate across 9,556 flights, with delays that do happen averaging 82.0 minutes. The corridor runs roughly 109 miles and is served by 6 carriers. Over the most recent 24 months, 29 of 4,537 flights were cancelled (0.6%) and 0 diverted (0.0%).
Monthly performance varies moderately here: Jul 2025 was the strongest month at 93% on-time versus Oct 2024 at 78%, a 15-point difference.
On the multi-year calendar, SAN–LAX peaks in May at 93.0% on-time ; the softest month is December at 85.1%, a 7.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SAN to LAX rank among US routes by traffic? ▼
How often are flights delayed from SAN to LAX? ▼
What is the cancellation rate for SAN to LAX? ▼
How far is the flight from SAN to LAX? ▼
When is the best time to fly from SAN to LAX? ▼
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.
Read our methodology - how this data is sourced, computed, and verified.
Using SAN–LAX data
SAN–LAX runs 10.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SAN and LAX airport profiles: delay causes and top routes differ even on the same corridor. SAN airport
- If your dates flex, May (93.0% on-time) beats December (85.1%) on this corridor. Seasonal chart
- 4 other routes post a similar 89.5% 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.
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.