Frontier Airlines LAX to SFO on-time performance
Frontier Airlines nonstop flights from Los Angeles to San Francisco · Aug 2025 – Jul 2026
On-time arrivals
49%
arrived < 15 min late
Cancelled
2.3%
9 flights
Avg arrival delay
34 min
66 min when late
Rank on route
#7 of 7
route average 62% on time
Key facts
- Frontier Airlines flights on LAX to SFO arrived on time 49% of the time in Aug 2025 – Jul 2026.
- 2.3% were cancelled, and 21% arrived an hour or more late.
- That ranks #7 of 7 airlines on this route, which averaged 62% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (58%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion58%
- Late-arriving aircraft26%
- Airline (crew, maintenance, cleaning, fueling)15%
- Extreme weather1%
- Security0%
Other airlines on LAX to SFO
- United Airlines64% on time · 21 min avg delay
- SkyWest Airlines69% on time · 20 min avg delay
- Delta Air Lines63% on time · 21 min avg delay
- Southwest Airlines54% on time · 29 min avg delay
- Alaska Airlines51% on time · 28 min avg delay
- American Airlines62% on time · 29 min avg delay
Full LAX to SFO comparison →
Frontier Airlines on-time record across all routes →
391 Frontier Airlines flights tracked on this route; 9 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.