Frontier Airlines ORD to SAN on-time performance
Frontier Airlines nonstop flights from Chicago to San Diego · Aug 2025 – Jul 2026
On-time arrivals
68%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
40 min
120 min when late
Rank on route
#3 of 4
route average 72% on time
Key facts
- Frontier Airlines flights on ORD to SAN arrived on time 68% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 23% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 72% on time overall.
- The largest source of delay minutes was late-arriving aircraft (53%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft53%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion17%
- Extreme weather0%
- Security0%
Other airlines on ORD to SAN
- United Airlines78% on time · 16 min avg delay
- American Airlines66% on time · 23 min avg delay
- Alaska Airlines69% on time · 24 min avg delay
Full ORD to SAN comparison →
Frontier Airlines on-time record across all routes →
31 Frontier Airlines flights tracked on this route; 0 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.