Route · ORD → LAX · 2020–2025 BTS data
Chicago to Los Angeles
The ORD–LAX corridor (Chicago, IL → Los Angeles, CA) runs ahead of the national average, served by 15 carriers across roughly 1,744 miles.
Data updated 2026-06-13
- 79.8%
- On-time
- +0.8 pts
- vs US avg
- 75 min
- Delay when late
- 37,020
- Flights
Cancelled
1.2%
Best Month
May 2025 87%
Worst Month
May 2024 63%
Distance
1,744 mi
Carriers
15
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 568 | 180 | 9 | 1 | F9,NK,AA,UA |
| Nov 2025 | 588 | 125 | 21 | 1 | UA,F9,NK,AA |
| Oct 2025 | 565 | 155 | 0 | 0 | AA,UA,F9,NK |
| Sep 2025 | 616 | 115 | 2 | 0 | UA,NK,F9,AA |
| Aug 2025 | 664 | 181 | 11 | 0 | AA,F9,NK,UA |
| Jul 2025 | 687 | 208 | 25 | 1 | AA,NK,UA,F9 |
| Jun 2025 | 678 | 171 | 6 | 1 | AA,UA,F9,NK |
| May 2025 | 640 | 85 | 2 | 0 | AA,NK,UA,F9 |
| Apr 2025 | 545 | 97 | 5 | 0 | NK,UA,AA |
| Mar 2025 | 569 | 100 | 0 | 0 | AA,UA,NK |
| Feb 2025 | 446 | 102 | 1 | 1 | AA,UA,NK |
| Jan 2025 | 520 | 80 | 0 | 1 | AA,UA,NK |
| Dec 2024 | 590 | 104 | 2 | 1 | AA,NK,UA |
| Nov 2024 | 532 | 88 | 2 | 0 | UA,NK,AA |
| Oct 2024 | 569 | 76 | 1 | 2 | UA,NK,AA |
| Sep 2024 | 550 | 74 | 2 | 2 | NK,UA,AA |
| Aug 2024 | 611 | 176 | 9 | 2 | AA,NK,UA |
| Jul 2024 | 617 | 195 | 22 | 0 | AA,NK,UA |
| Jun 2024 | 556 | 190 | 3 | 1 | AA,NK,UA |
| May 2024 | 589 | 219 | 5 | 1 | AA,NK,UA |
| Apr 2024 | 528 | 118 | 0 | 1 | AA,NK,UA |
| Mar 2024 | 537 | 107 | 1 | 0 | AA,NK,UA |
| Feb 2024 | 465 | 71 | 2 | 1 | AA,NK,UA |
| Jan 2024 | 508 | 138 | 35 | 0 | AA,NK,UA |
Cancellation Rate
1.2%
166 of 13,738 flights
Diversion Rate
0.1%
17 of 13,738 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Origin airport →LAX - Los Angeles
Full on-time, delay-cause, and seasonal performance for Los Angeles, CA.
Destination airport →Compare the two airports
See ORD and LAX side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ORD–LAX.
Routes with a similar on-time rate
What the Data Says About ORD to LAX
37,020 tracked flights put the ORD to LAX pairing (Chicago to Los Angeles) at a 79.8% on-time rate, squarely in line with the wider network. Delays that do occur run 75.2 minutes on average. Across the 1,744-mile route and its 15 carriers, the trailing 24 months show 1.2% cancelled and 0.1% diverted (13,738 flights sampled).
The monthly split is wide on this route: May 2025 posted the strongest performance at 87% on-time, while May 2024 came in at just 63% - a 24-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from ORD to LAX? ▼
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Flight Guides
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.