Delta Air Lines SJC to LAX on-time performance
Delta Air Lines nonstop flights from San Jose to Los Angeles · Aug 2025 – Jul 2026
On-time arrivals
92%
arrived < 15 min late
Cancelled
2.7%
15 flights
Avg arrival delay
5 min
52 min when late
Rank on route
#3 of 6
route average 86% on time
Key facts
- Delta Air Lines flights on SJC to LAX arrived on time 92% of the time in Aug 2025 – Jul 2026.
- 2.7% were cancelled, and 2% arrived an hour or more late.
- That ranks #3 of 6 airlines on this route, which averaged 86% on time overall.
- The largest source of delay minutes was late-arriving aircraft (58%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft58%
- Air traffic control & airport congestion22%
- Airline (crew, maintenance, cleaning, fueling)20%
- Extreme weather0%
- Security0%
Other airlines on SJC to LAX
- SkyWest Airlines92% on time · 6 min avg delay
- Southwest Airlines78% on time · 11 min avg delay
- Frontier Airlines78% on time · 12 min avg delay
- American Airlines67% on time · 10 min avg delay
- United Airlines100% on time · 0 min avg delay
Full SJC to LAX comparison →
Delta Air Lines on-time record across all routes →
555 Delta Air Lines flights tracked on this route; 15 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.