Route Reliability
Charlotte → Ontario
CLT–ONT · 2,078 miles · Charlotte Douglas International Airport to Ontario International Airport
- 76%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 0.9%
- Cancelled
- 327
- Flights in the data
Data through May 2026.
American Airlines is the only airline in this data on this route, arriving on time 76% of the time across 327 flights. No comparison to make.
What the data says
The 3–6 PM departure wins.
CLT–ONT flights departing between 3–6 PM arrived on time 91% of the time, versus 74% between 6–9 PM.
Sunday scaries are real for this one.
CLT–ONT flights arrived on time 83% of the time on Saturdays and just 65% on Sundays. That gap is worth planning around.
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%(47 flights)
- Tue78%(46 flights)
- Wed78%(46 flights)
- Thu72%(46 flights)
- Fri76%(46 flights)
- Sat83%(47 flights)
- Sun65%(46 flights)
- 12–3 PM—(2 flights)
- 3–6 PM91%(32 flights)
- 6–9 PM74%(290 flights)
Jun 57% → May 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 57% | 30 |
| July 2025 | 42% | 31 |
| August 2025 | 80% | 30 |
| September 2025 | 87% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 82% | 28 |
| December 2025 | 74% | 31 |
| February 2026 | 77% | 17 |
| March 2026 | 93% | 30 |
| April 2026 | 77% | 30 |
| May 2026 | 71% | 31 |
Same trip, other airports
Keep nerding
Based on 327 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.