Route Reliability
Chicago → CMX
ORD–CMX · 360 miles · Chicago O'Hare International Airport to CMX Airport
- 68%
- Arrive within 15 minutes
- 37 min
- Average arrival delay
- 5.4%
- Cancelled
- 795
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 68% of the time across 795 flights. No comparison to make.
What the data says
Morning flights do better here.
ORD–CMX flights departing between 9 AM–12 PM arrived on time 77% of the time, versus 61% between 3–6 PM.
Sunday scaries are real for this one.
ORD–CMX flights arrived on time 74% of the time on Thursdays and just 57% on Sundays. That gap is worth planning around.
Keep a backup plan handy.
This route was cancelled 5.4% of the time. Typical for U.S. flights is around 1–2%.
Flights on this route
The breakdown
- Mon71%(109 flights)
- Tue68%(98 flights)
- Wed69%(108 flights)
- Thu74%(109 flights)
- Fri64%(110 flights)
- Sat73%(97 flights)
- Sun57%(107 flights)
- 9 AM–12 PM77%(268 flights)
- 12–3 PM72%(71 flights)
- 3–6 PM61%(66 flights)
- 9 PM–12 AM61%(333 flights)
Jun 59% → May 70% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 59% | 63 |
| July 2025 | 58% | 80 |
| August 2025 | 73% | 82 |
| September 2025 | 80% | 75 |
| October 2025 | 86% | 62 |
| November 2025 | 81% | 53 |
| December 2025 | 59% | 54 |
| January 2026 | 64% | 53 |
| February 2026 | 62% | 52 |
| March 2026 | 51% | 53 |
| April 2026 | 69% | 52 |
| May 2026 | 70% | 59 |
Keep nerding
Based on 795 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.