Best Time to Fly CLT to MIA: On-Time Stats by Hour & Airline
Charlotte Douglas International → Miami International
Data through July 2026 · Last updated October 18, 2026
3,718 flights were scheduled from Charlotte (CLT) to Miami (MIA) in the last 12 months, and 76.6% of those that flew arrived on time, 1.0 points below the US average of 77.6%.
Among 3 airlines, American Airlines led with 77.6% on time and Frontier Airlines was last with 67.6%.
Over 24 months, Tuesday was the most reliable day (82% on time) and August the worst month (63%).
The cancellation rate was 1.8% (US average 1.8%).
CLT to MIA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| American Airlines | 77.6% | 78 min | 1.3% | 3,243 |
| Spirit Airlines | 71.9% | 67 min | 5.3% | 245 |
| Frontier Airlines | 67.6% | 130 min | 4.8% | 230 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CLT to MIA
On-time arrival % by scheduled departure hour (local time), 7,565 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.4% | 1.3% | 530 |
| 6am–7am | 89.4% | 1.4% | 363 |
| 7am–8am | 83.1% | 2.1% | 816 |
| 8am–9am | 85.8% | 1.3% | 465 |
| 9am–10am | 83.0% | 2.1% | 326 |
| 10am–11am | 84.6% | 3.3% | 182 |
| 11am–12pm | 81.2% | 0.7% | 585 |
| 12pm–1pm | 81.2% | 1.7% | 120 |
| 1pm–2pm | 75.4% | 1.1% | 646 |
| 2pm–3pm | 68.2% | 1.5% | 595 |
| 3pm–4pm | 73.7% | 3.4% | 118 |
| 4pm–5pm | 64.2% | 0.0% | 153 |
| 5pm–6pm | 60.2% | 2.3% | 303 |
| 6pm–7pm | 63.5% | 2.0% | 688 |
| 7pm–8pm | 69.7% | 0.9% | 317 |
| 8pm–9pm | 71.1% | 1.7% | 462 |
| 9pm–10pm | 65.0% | 1.9% | 376 |
| 10pm–11pm | 68.6% | 2.7% | 520 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CLT to MIA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 74.7% | -3.5 pts | 0.0% | 162 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.3% | -4.9 pts | 1.1% | 356 |
| Summer peak (Jun 15 - Aug 15) | 64.9% | -13.3 pts | 2.1% | 1,222 |
| All other days | 78.2% | — | 1.7% | 5,825 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).