Route Reliability
CHA → Chicago
CHA–ORD · 501 miles · CHA Airport to Chicago O'Hare International Airport
- 72%
- Arrive within 15 minutes
- 21 min
- Average arrival delay
- 3.1%
- Cancelled
- 1,735
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines73%340 flights
- 2.United Airlines72%1,395 flights
What the data says
Morning flights do better here.
CHA–ORD flights departing between 6–9 AM arrived on time 82% of the time, versus 50% between 3–6 PM.
Sunday scaries are real for this one.
CHA–ORD flights arrived on time 77% of the time on Saturdays. On Sundays: 67%.
Not much between American Airlines and United Airlines.
On this route they all land within 72% to 73% on time. Pick on schedule and price.
Keep a backup plan handy.
This route was cancelled 3.1% of the time. Typical for U.S. flights is around 1–2%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon69%(242 flights)
- Tue74%(246 flights)
- Wed76%(248 flights)
- Thu70%(243 flights)
- Fri70%(247 flights)
- Sat77%(201 flights)
- Sun67%(243 flights)
- 6–9 AM82%(579 flights)
- 9 AM–12 PM77%(116 flights)
- 12–3 PM76%(505 flights)
- 3–6 PM50%(346 flights)
- 6–9 PM62%(124 flights)
Jun 72% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 72% | 113 |
| July 2025 | 62% | 116 |
| August 2025 | 76% | 97 |
| September 2025 | 79% | 117 |
| October 2025 | 75% | 200 |
| November 2025 | 70% | 194 |
| December 2025 | 63% | 147 |
| January 2026 | 75% | 88 |
| February 2026 | 74% | 107 |
| March 2026 | 66% | 152 |
| April 2026 | 74% | 181 |
| May 2026 | 80% | 158 |
Keep nerding
Based on 1,735 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.