Best Time to Fly SDF to CLT: On-Time Stats by Hour & Airline
Louisville Muhammad Ali International → Charlotte Douglas International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 82.5% of Louisville (SDF) to Charlotte (CLT) flights arrived on time (1,757 scheduled flights). That is 4.9 points above the national average of 77.6%.
Among 3 airlines, Envoy Air led with 96.0% on time and PSA Airlines was last with 80.6%.
Over 24 months, Wednesday was the most reliable day (85% on time) and June the worst month (72%).
The cancellation rate was 2.1% (US average 1.8%).
SDF 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 |
|---|---|---|---|---|
| Envoy Air | 96.0% | 68 min | 0.0% | 50 |
| American Airlines | 83.2% | 128 min | 2.7% | 968 |
| PSA Airlines | 80.6% | 86 min | 1.5% | 739 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SDF to CLT
On-time arrival % by scheduled departure hour (local time), 3,623 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.5% | 0.6% | 177 |
| 6am–7am | 81.6% | 2.8% | 510 |
| 7am–8am | 86.1% | 1.5% | 197 |
| 8am–9am | 77.7% | 2.2% | 462 |
| 9am–10am | 85.4% | 2.4% | 126 |
| 10am–11am | 91.3% | 0.0% | 46 |
| 11am–12pm | 90.3% | 2.0% | 147 |
| 12pm–1pm | 79.2% | 1.6% | 372 |
| 1pm–2pm | 89.7% | 3.3% | 90 |
| 2pm–3pm | Limited data | 5 | |
| 3pm–4pm | 73.1% | 1.7% | 518 |
| 4pm–5pm | 73.1% | 1.6% | 185 |
| 5pm–6pm | 65.0% | 1.4% | 142 |
| 6pm–7pm | 62.3% | 1.6% | 125 |
| 7pm–8pm | 75.2% | 3.5% | 230 |
| 8pm–9pm | 68.5% | 5.2% | 291 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SDF 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) | 78.8% | -0.9 pts | 0.0% | 66 |
| Christmas & New Year (Dec 20 - Jan 3) | 69.7% | -9.9 pts | 1.3% | 154 |
| Summer peak (Jun 15 - Aug 15) | 72.4% | -7.3 pts | 3.5% | 605 |
| All other days | 79.7% | — | 2.1% | 2,798 |
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).