Best Time to Fly BOS to CLT: On-Time Stats by Hour & Airline
Logan International → Charlotte Douglas International
Data through July 2026 · Last updated October 18, 2026
4,019 flights were scheduled from Boston (BOS) to Charlotte (CLT) in the last 12 months, and 82.9% of those that flew arrived on time, 5.3 points above the US average of 77.6%.
American Airlines was the most punctual of the 3 airlines on the route at 84.2%, while Spirit Airlines trailed at 71.0%.
April has been the best month (88% on time) and Thursday the weakest day of the week (78%).
2.6% of flights were cancelled, versus 1.8% nationally.
BOS 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 |
|---|---|---|---|---|
| American Airlines | 84.2% | 89 min | 2.2% | 2,739 |
| Republic Airways | 80.6% | 67 min | 3.5% | 1,204 |
| Spirit Airlines | 71.0% | 88 min | 2.8% | 71 |
| Envoy Air | Limited data | 5 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BOS to CLT
On-time arrival % by scheduled departure hour (local time), 8,785 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 93.7% | 2.6% | 504 |
| 6am–7am | 94.2% | 1.5% | 612 |
| 7am–8am | 90.6% | 1.6% | 929 |
| 8am–9am | 85.4% | 3.0% | 607 |
| 9am–10am | 85.6% | 2.0% | 688 |
| 10am–11am | 83.6% | 1.0% | 689 |
| 11am–12pm | 87.6% | 1.3% | 767 |
| 12pm–1pm | 86.8% | 1.4% | 292 |
| 1pm–2pm | 83.6% | 1.1% | 352 |
| 2pm–3pm | 82.4% | 1.6% | 855 |
| 3pm–4pm | 71.2% | 4.3% | 255 |
| 4pm–5pm | 69.7% | 2.1% | 566 |
| 5pm–6pm | 78.8% | 3.3% | 390 |
| 6pm–7pm | 66.1% | 3.4% | 568 |
| 7pm–8pm | 66.5% | 3.6% | 632 |
| 8pm–9pm | 68.6% | 10.3% | 78 |
| 10pm–11pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BOS 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) | 85.4% | +1.7 pts | 0.0% | 178 |
| Christmas & New Year (Dec 20 - Jan 3) | 79.1% | -4.5 pts | 1.7% | 297 |
| Summer peak (Jun 15 - Aug 15) | 76.7% | -7.0 pts | 4.1% | 1,507 |
| All other days | 83.7% | — | 1.9% | 6,803 |
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).