Route Reliability
Charleston → Chicago
CHS–ORD · 760 miles · Charleston International Airport to Chicago O'Hare International Airport
- 78%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 2.2%
- Cancelled
- 2,057
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines79%944 flights
- 2.United Airlines77%1,113 flights
What the data says
Morning flights do better here.
CHS–ORD flights departing between 9 AM–12 PM arrived on time 89% of the time, versus 62% between 6–9 PM.
Sunday scaries are real for this one.
CHS–ORD flights arrived on time 81% of the time on Thursdays. On Sundays: 71%.
Not much between American Airlines and United Airlines.
On this route they all land within 77% to 79% on time. Pick on schedule and price.
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
- Mon77%(305 flights)
- Tue81%(269 flights)
- Wed79%(279 flights)
- Thu81%(291 flights)
- Fri75%(296 flights)
- Sat79%(271 flights)
- Sun71%(287 flights)
- 6–9 AM87%(532 flights)
- 9 AM–12 PM89%(325 flights)
- 12–3 PM80%(441 flights)
- 3–6 PM66%(415 flights)
- 6–9 PM62%(282 flights)
- 9 PM–12 AM—(3 flights)
Jun 83% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 166 |
| July 2025 | 69% | 166 |
| August 2025 | 84% | 133 |
| September 2025 | 80% | 145 |
| October 2025 | 83% | 176 |
| November 2025 | 75% | 171 |
| December 2025 | 74% | 167 |
| January 2026 | 81% | 140 |
| February 2026 | 78% | 148 |
| March 2026 | 71% | 193 |
| April 2026 | 75% | 186 |
| May 2026 | 81% | 207 |
Same trip, other airports
Keep nerding
Based on 2,057 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.