Delta Air Lines ORD to LAX on-time performance
Delta Air Lines nonstop flights from Chicago to Los Angeles · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
17 min
66 min when late
Rank on route
#2 of 5
route average 73% on time
Key facts
- Delta Air Lines flights on ORD to LAX arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 8% arrived an hour or more late.
- That ranks #2 of 5 airlines on this route, which averaged 73% on time overall.
- The largest source of delay minutes was late-arriving aircraft (54%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)24%
- Extreme weather12%
- Air traffic control & airport congestion10%
- Security0%
Other airlines on ORD to LAX
- United Airlines77% on time · 17 min avg delay
- American Airlines69% on time · 26 min avg delay
- Frontier Airlines64% on time · 28 min avg delay
- Spirit Airlines73% on time · 24 min avg delay
Full ORD to LAX comparison →
Delta Air Lines on-time record across all routes →
151 Delta Air Lines 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.