Route · SJC → LAX · 2020–2025 BTS data
San Jose to Los Angeles
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SJC to LAX (San Jose to Los Angeles) ranks #128 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 88.4%
- On-time
- +9.4 pts
- vs US avg
- 63 min
- Delay when late
- 30,152
- Flights
- #128 of 4927
- Corpus placement
Cancelled
0.3%
Best Month
Apr 2025 91%
Worst Month
Jul 2024 78%
Distance
308 mi
Carriers
21
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 379 | 67 | 5 | 0 | WN,F9,OO |
| Nov 2025 | 336 | 44 | 5 | 0 | OO,F9,WN |
| Oct 2025 | 422 | 63 | 0 | 1 | OO,WN |
| Sep 2025 | 424 | 44 | 1 | 1 | WN,OO |
| Aug 2025 | 391 | 46 | 0 | 0 | OO,WN |
| Jul 2025 | 368 | 45 | 1 | 0 | OO,WN |
| Jun 2025 | 367 | 56 | 0 | 0 | OO,WN |
| May 2025 | 417 | 38 | 0 | 0 | OO,WN |
| Apr 2025 | 442 | 39 | 0 | 1 | OO,WN |
| Mar 2025 | 491 | 45 | 2 | 0 | OO,WN,F9,NK |
| Feb 2025 | 450 | 47 | 0 | 1 | OO,WN,F9,NK |
| Jan 2025 | 435 | 43 | 0 | 0 | AS,OO,WN,F9,NK |
| Dec 2024 | 455 | 83 | 1 | 1 | F9,NK,OO,WN |
| Nov 2024 | 497 | 49 | 1 | 0 | OO,NK,WN,F9 |
| Oct 2024 | 580 | 75 | 1 | 0 | OO,WN,NK,F9 |
| Sep 2024 | 524 | 69 | 1 | 0 | WN,NK,OO,F9 |
| Aug 2024 | 551 | 55 | 1 | 0 | F9,NK,WN,OO |
| Jul 2024 | 527 | 118 | 5 | 0 | NK,OO,WN |
| Jun 2024 | 507 | 84 | 2 | 0 | NK,OO,WN |
| May 2024 | 436 | 60 | 0 | 0 | OO,WN |
| Apr 2024 | 414 | 47 | 0 | 0 | OO,WN |
| Mar 2024 | 442 | 64 | 0 | 0 | OO,WN |
| Feb 2024 | 385 | 62 | 2 | 0 | OO,WN |
| Jan 2024 | 409 | 49 | 0 | 0 | WN,OO |
SJC–LAX seasonal on-time pattern
Best: April (90.8%) · weakest: December (83.3%)
Strongest calendar month
April
90.8% on-time · ~406 flights/mo
Busiest calendar month
October
~458 flights/mo avg
Weakest calendar month
December
83.3% on-time · ~405 flights/mo
Cancellation Rate
0.3%
28 of 10,649 flights
Diversion Rate
0.0%
5 of 10,649 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SJC - San Jose
Full on-time, delay-cause, and seasonal performance for San Jose, CA.
SJC 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 SJC and LAX side by side on delays, cancellations, and reliability.
Compare SJC vs LAXOrigin-hub reliability standing
Among SJC's stronger departures
SJC → LAX posts a 88.4% on-time rate, landing in the ≥85% band with 21 of 31 BTS-tracked routes leaving San Jose. The same hub also shows 9 mid-band and 1 challenged departures · fleet-wide on-time rank #357 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SJC–LAX.
Routes with a similar on-time rate
What the Data Says About SJC to LAX
San Jose to Los Angeles (SJC to LAX) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.4% on-time rate across 30,152 flights, with delays that do happen averaging 63.3 minutes. The corridor runs roughly 308 miles and is served by 21 carriers. Over the most recent 24 months, 28 of 10,649 flights were cancelled (0.3%) and 5 diverted (0.0%).
Monthly performance varies moderately here: Apr 2025 was the strongest month at 91% on-time versus Jul 2024 at 78%, a 14-point difference.
On the multi-year calendar, SJC–LAX peaks in April at 90.8% on-time while October carries the heaviest traffic (~458 flights per month) ; the softest month is December at 83.3%, a 7.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SJC to LAX rank among US routes by traffic? ▼
How often are flights delayed from SJC to LAX? ▼
What is the cancellation rate for SJC to LAX? ▼
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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 SJC–LAX data
SJC–LAX runs 9.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SJC and LAX airport profiles: delay causes and top routes differ even on the same corridor. SJC airport
- If your dates flex, April (90.8% on-time) beats December (83.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 88.4% 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.