PlainFlights

Route · LAX → SJC · 2020–2025 BTS data

Los Angeles to San Jose

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LAX to SJC (Los Angeles to San Jose) ranks #120 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

87.3%
On-time
+8.3 pts
vs US avg
60 min
Delay when late
30,318
Flights
#120 of 4927
Corpus placement

Cancelled

0.2%

Best Month

Apr 2025 93%

Worst Month

Jul 2024 79%

Distance

308 mi

Carriers

21

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 379 70 3 0 WN,F9,OO
Nov 2025 337 33 6 0 OO,F9,WN
Oct 2025 420 63 1 0 OO,WN
Sep 2025 424 34 0 0 WN,OO
Aug 2025 391 31 0 0 OO,WN
Jul 2025 367 47 2 1 OO,WN
Jun 2025 366 47 0 0 OO,WN
May 2025 403 47 0 0 OO,WN
Apr 2025 433 32 0 0 OO,WN
Mar 2025 488 53 1 0 OO,WN,F9,NK
Feb 2025 449 52 0 0 OO,WN,F9,NK
Jan 2025 435 40 0 0 AS,OO,WN,F9,NK
Dec 2024 457 79 1 1 F9,NK,OO,WN
Nov 2024 496 55 1 0 OO,NK,WN,F9
Oct 2024 580 56 1 0 OO,WN,NK,F9
Sep 2024 524 59 1 0 WN,NK,OO,F9
Aug 2024 551 50 1 0 F9,NK,WN,OO
Jul 2024 527 109 5 0 NK,OO,WN
Jun 2024 505 99 1 0 NK,OO,WN
May 2024 438 80 0 0 OO,WN
Apr 2024 412 50 0 0 OO,WN
Mar 2024 452 63 0 0 OO,WN
Feb 2024 393 54 0 1 OO,WN
Jan 2024 421 60 0 0 WN,OO

LAX–SJC seasonal on-time pattern

Best: April (90.6%) · weakest: December (81.2%)

80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 81.2%

Strongest calendar month

April

90.6% on-time · ~403 flights/mo

Busiest calendar month

October

~461 flights/mo avg

Weakest calendar month

December

81.2% on-time · ~407 flights/mo

Cancellation Rate

0.2%

24 of 10,648 flights

Diversion Rate

0.0%

3 of 10,648 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.

LAX on-time profile

SJC - San Jose

Full on-time, delay-cause, and seasonal performance for San Jose, CA.

SJC on-time profile

Compare the two airports

See LAX and SJC side by side on delays, cancellations, and reliability.

Compare LAX vs SJC

Origin-hub reliability standing

Among LAX's stronger departures

LAX → SJC posts a 87.3% on-time rate, landing in the ≥85% band with 40 of 80 BTS-tracked routes leaving Los Angeles. The same hub also shows 39 mid-band and 1 challenged departures · fleet-wide on-time rank #567 of 4927 (highest on-time = #1).

What the Data Says About LAX to SJC

Los Angeles to San Jose (LAX to SJC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.3% on-time rate across 30,318 flights, with delays that do happen averaging 59.8 minutes. The corridor runs roughly 308 miles and is served by 21 carriers. Over the most recent 24 months, 24 of 10,648 flights were cancelled (0.2%) and 3 diverted (0.0%).

Monthly performance varies moderately here: Apr 2025 was the strongest month at 93% on-time versus Jul 2024 at 79%, a 13-point difference.

On the multi-year calendar, LAX–SJC peaks in April at 90.6% on-time while October carries the heaviest traffic (~461 flights per month) ; the softest month is December at 81.2%, a 9.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does LAX to SJC rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, LAX to SJC ranks #120 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 LAX to SJC? ▼
Flights from Los Angeles to San Jose have a 87.3% on-time rate based on 30,318 flights. The average delay is 59.8 minutes. The best recent month was Apr 2025 with 93% on-time.
What is the cancellation rate for LAX to SJC? ▼
Over the last 24 months, 0.2% of flights on this route were cancelled (24 of 10,648 flights) and 0.0% were diverted.
How far is the flight from LAX to SJC? ▼
The flight distance from Los Angeles (LAX) to San Jose (SJC) is approximately 308 miles. This route is served by 21 carriers.
When is the best time to fly from LAX to SJC? ▼
The best recent month for on-time performance was Apr 2025 (93% on-time). The worst was Jul 2024 (79% on-time). Consider booking during months with historically better performance.

Airports on this route

LAX Airport

Los Angeles
SJC Airport

San Jose
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 LAX–SJC data

LAX–SJC runs 8.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare LAX and SJC airport profiles: delay causes and top routes differ even on the same corridor. LAX airport
  • If your dates flex, April (90.6% on-time) beats December (81.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 87.3% 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.