Route Reliability
Chicago → CHA
ORD–CHA · 501 miles · Chicago O'Hare International Airport to CHA Airport
- 71%
- Arrive within 15 minutes
- 19 min
- Average arrival delay
- 3.5%
- 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 Airlines71%1,395 flights
What the data says
Morning flights do better here.
ORD–CHA flights departing between 9 AM–12 PM arrived on time 78% of the time, versus 66% between 3–6 PM.
Sunday scaries are real for this one.
ORD–CHA flights arrived on time 77% of the time on Tuesdays. On Sundays: 64%.
Not much between American Airlines and United Airlines.
On this route they all land within 71% to 73% on time. Pick on schedule and price.
Keep a backup plan handy.
This route was cancelled 3.5% 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
- Mon72%(243 flights)
- Tue77%(243 flights)
- Wed73%(251 flights)
- Thu70%(244 flights)
- Fri70%(244 flights)
- Sat72%(201 flights)
- Sun64%(245 flights)
- 6–9 AM76%(322 flights)
- 9 AM–12 PM78%(262 flights)
- 12–3 PM69%(369 flights)
- 3–6 PM66%(297 flights)
- 6–9 PM68%(395 flights)
- 9 PM–12 AM69%(26 flights)
Jun 76% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 76% | 113 |
| July 2025 | 67% | 117 |
| August 2025 | 79% | 96 |
| September 2025 | 85% | 119 |
| October 2025 | 76% | 200 |
| November 2025 | 66% | 190 |
| December 2025 | 58% | 146 |
| January 2026 | 66% | 89 |
| February 2026 | 69% | 108 |
| March 2026 | 64% | 153 |
| April 2026 | 71% | 181 |
| May 2026 | 77% | 159 |
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.