Frontier Airlines SAN to ORD on-time performance
Frontier Airlines nonstop flights from San Diego to Chicago · Aug 2025 – Jul 2026
On-time arrivals
55%
arrived < 15 min late
Cancelled
3.3%
1 flights
Avg arrival delay
66 min
146 min when late
Rank on route
#4 of 4
route average 78% on time
Key facts
- Frontier Airlines flights on SAN to ORD arrived on time 55% of the time in Aug 2025 – Jul 2026.
- 3.3% were cancelled, and 24% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (61%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion61%
- Late-arriving aircraft32%
- Airline (crew, maintenance, cleaning, fueling)7%
- Extreme weather0%
- Security0%
Other airlines on SAN to ORD
- United Airlines81% on time · 16 min avg delay
- American Airlines78% on time · 21 min avg delay
- Alaska Airlines72% on time · 19 min avg delay
Full SAN to ORD comparison →
Frontier Airlines on-time record across all routes →
30 Frontier Airlines flights tracked on this route; 1 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.