OnTimeRoutes
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Frontier Airlines SJC to LAX on-time performance

Frontier Airlines nonstop flights from San Jose to Los Angeles · Aug 2025 – Jul 2026

On-time arrivals
78%
arrived < 15 min late
Cancelled
4.3%
5 flights
Avg arrival delay
12 min
47 min when late
Rank on route
#5 of 6
route average 86% on time

Key facts

  • Frontier Airlines flights on SJC to LAX arrived on time 78% of the time in Aug 2025 – Jul 2026.
  • 4.3% were cancelled, and 5% arrived an hour or more late.
  • That ranks #5 of 6 airlines on this route, which averaged 86% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (77%).

On-time trend by month

40%70%100%November 2025: 100.0% on time, 0.0% cancelledNov ’25December 2025: 71.4% on time, 12.5% cancelledDec ’25January 2026: 75.0% on time, 0.0% cancelledJan ’26February 2026: 62.5% on time, 0.0% cancelledFeb ’26March 2026: 100.0% on time, 7.1% cancelledMar ’26April 2026: 91.7% on time, 0.0% cancelledApr ’26May 2026: 90.0% on time, 0.0% cancelledMay ’26June 2026: 70.6% on time, 10.5% cancelledJun ’26July 2026: 55.0% on time, 4.8% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft77%
  • Air traffic control & airport congestion17%
  • Airline (crew, maintenance, cleaning, fueling)6%
  • Extreme weather0%
  • Security0%

Other airlines on SJC to LAX

Full SJC to LAX comparison →
Frontier Airlines on-time record across all routes →

117 Frontier Airlines flights tracked on this route; 5 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.