OnTimeRoutes
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Delta Air Lines LAX to SJC on-time performance

Delta Air Lines nonstop flights from Los Angeles to San Jose · Aug 2025 – Jul 2026

On-time arrivals
87%
arrived < 15 min late
Cancelled
2.5%
14 flights
Avg arrival delay
8 min
58 min when late
Rank on route
#3 of 6
route average 86% on time

Key facts

  • Delta Air Lines flights on LAX to SJC arrived on time 87% of the time in Aug 2025 – Jul 2026.
  • 2.5% were cancelled, and 4% 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 airline (crew, maintenance, cleaning, fueling) (62%).

On-time trend by month

70%85%100%February 2026: 82.4% on time, 0.0% cancelledFeb ’26March 2026: 87.5% on time, 5.1% cancelledMar ’26April 2026: 88.4% on time, 4.0% cancelledApr ’26May 2026: 85.7% on time, 2.2% cancelledMay ’26June 2026: 86.0% on time, 1.1% cancelledJun ’26July 2026: 87.0% on time, 1.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Airline (crew, maintenance, cleaning, fueling)62%
  • Late-arriving aircraft31%
  • Air traffic control & airport congestion7%
  • Extreme weather0%
  • Security0%

Other airlines on LAX to SJC

Full LAX to SJC comparison →
Delta Air Lines on-time record across all routes →

556 Delta Air Lines flights tracked on this route; 14 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.