Best Time to Fly MIA to CLT: On-Time Stats by Hour & Airline
Miami International → Charlotte Douglas International
Data through July 2026 · Last updated October 18, 2026
3,722 flights were scheduled from Miami (MIA) to Charlotte (CLT) in the last 12 months, and 78.5% of those that flew arrived on time, 0.9 points above the US average of 77.6%.
Frontier Airlines was the most punctual of the 3 airlines on the route at 80.9%, while American Airlines trailed at 78.3%.
November has been the best month (85% on time) and Sunday the weakest day of the week (74%).
1.5% of flights were cancelled, versus 1.8% nationally.
MIA to CLT 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 |
|---|---|---|---|---|
| Frontier Airlines | 80.9% | 83 min | 2.6% | 231 |
| Spirit Airlines | 78.7% | 78 min | 3.7% | 244 |
| American Airlines | 78.3% | 70 min | 1.3% | 3,247 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MIA to CLT
On-time arrival % by scheduled departure hour (local time), 7,571 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 93.1% | 0.5% | 218 |
| 6am–7am | 93.6% | 0.7% | 585 |
| 7am–8am | 89.4% | 1.3% | 528 |
| 8am–9am | 89.8% | 1.3% | 686 |
| 9am–10am | 87.0% | 1.5% | 475 |
| 10am–11am | 82.9% | 1.1% | 360 |
| 11am–12pm | 75.4% | 1.8% | 556 |
| 12pm–1pm | Limited data | 29 | |
| 1pm–2pm | 76.0% | 1.0% | 591 |
| 2pm–3pm | 72.7% | 1.5% | 272 |
| 3pm–4pm | 74.4% | 0.8% | 633 |
| 4pm–5pm | 63.6% | 2.5% | 158 |
| 5pm–6pm | 63.5% | 1.6% | 688 |
| 6pm–7pm | 71.4% | 2.4% | 247 |
| 7pm–8pm | 67.8% | 1.9% | 514 |
| 8pm–9pm | 70.9% | 3.4% | 235 |
| 9pm–10pm | 73.0% | 3.0% | 593 |
| 10pm–11pm | 71.0% | 1.5% | 203 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MIA to CLT
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) | 79.6% | -0.7 pts | 0.0% | 162 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.3% | -3.0 pts | 0.8% | 356 |
| Summer peak (Jun 15 - Aug 15) | 68.1% | -12.2 pts | 2.2% | 1,224 |
| All other days | 80.3% | — | 1.5% | 5,829 |
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).