OnTimeRoutes
F

Frontier Airlines ORD to LAX on-time performance

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

On-time arrivals
64%
arrived < 15 min late
Cancelled
4.6%
11 flights
Avg arrival delay
28 min
75 min when late
Rank on route
#5 of 5
route average 73% on time

Key facts

  • Frontier Airlines flights on ORD to LAX arrived on time 64% of the time in Aug 2025 – Jul 2026.
  • 4.6% were cancelled, and 13% arrived an hour or more late.
  • That ranks #5 of 5 airlines on this route, which averaged 73% on time overall.
  • The largest source of delay minutes was air traffic control & airport congestion (43%).

On-time trend by month

10%55%100%July 2025: 78.9% on time, 9.5% cancelledJul ’25August 2025: 86.4% on time, 4.3% cancelledAug ’25September 2025: 85.7% on time, 0.0% cancelledSep ’25October 2025: 68.2% on time, 0.0% cancelledOct ’25November 2025: 81.8% on time, 8.3% cancelledNov ’25December 2025: 56.5% on time, 8.0% cancelledDec ’25January 2026: 40.0% on time, 0.0% cancelledJan ’26March 2026: 25.0% on time, 7.7% cancelledMar ’26April 2026: 58.6% on time, 3.3% cancelledApr ’26May 2026: 70.0% on time, 3.2% cancelledMay ’26July 2026: 57.1% on time, 6.7% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Air traffic control & airport congestion43%
  • Late-arriving aircraft38%
  • Airline (crew, maintenance, cleaning, fueling)16%
  • Extreme weather3%
  • Security0%

Other airlines on ORD to LAX

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

237 Frontier Airlines flights tracked on this route; 11 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.