SJC to LAX flight delays & on-time performance
Nonstop flights from Mineta San Jose International Airport to Los Angeles International Airport · 308 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SJC or LAX right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from San Jose (SJC) to Los Angeles (LAX) arrived on time 86% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.8% were cancelled, and 4% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (92% on time); Southwest Airlines was the least (78%).
- Departures scheduled around 6am did best (96% on time); around 7pm did worst (61%).
- Tuesday was the most reliable day to fly (91% on time) and Friday the least (80%).
- The largest source of delay minutes was late-arriving aircraft (46%).
Which airline is most on time from SJC to LAX?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 100% | 0.0% | 0 min | 0.0% | 1 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 92% | 0.4% | 6 min | 2.6% | 1,953 |
| Delta Air Lines | 92% | 2.7% | 5 min | 2.0% | 555 |
| Southwest Airlines | 78% | 0.5% | 11 min | 5.4% | 1,844 |
| Frontier Airlines | 78% | 4.3% | 12 min | 5.4% | 117 |
| American Airlines | 67% | 0.0% | 10 min | 0.0% | 6 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am96%297 flights
- 7am94%420 flights
- 8am92%185 flights
- 9am93%419 flights
- 10am89%170 flights
- 11am91%352 flights
- 12pm75%81 flights
- 1pm89%311 flights
- 2pm80%243 flights
- 3pm87%335 flights
- 4pm83%252 flights
- 5pm82%255 flights
- 6pm84%358 flights
- 7pm61%178 flights
- 8pm78%531 flights
- 9pm80%89 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday85%1.0% cancelled
- Tuesday91%0.5% cancelled
- Wednesday89%0.2% cancelled
- Thursday85%0.9% cancelled
- Friday80%0.7% cancelled
- Saturday90%1.3% cancelled
- Sunday83%1.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft46%
- Airline (crew, maintenance, cleaning, fueling)36%
- Air traffic control & airport congestion12%
- Extreme weather6%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)74%
- Air traffic control & airport congestion18%
- Extreme weather8%
- Security0%
SJC to LAX: common questions
- How often are SJC to LAX flights on time?
- 86% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from San Jose to Los Angeles cancelled?
- 0.8% of scheduled flights were cancelled (38 of 4,476).
- How long are typical delays?
- Across all flights the average arrival delay was 8 min (early arrivals count as zero). Flights that were late arrived 53 min behind schedule on average, and 3.8% of flights were an hour or more late.
- How long is taxi time at SJC?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAX to SJC — 86% on time
More flights from San Jose
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SJC → LAX, nonstop flights by US airlines that report to the DOT. How we calculate this.