Best Time to Fly CLT to SDF: On-Time Stats by Hour & Airline
Charlotte Douglas International → Louisville Muhammad Ali International
Data through July 2026 · Last updated October 18, 2026
1,757 flights were scheduled from Charlotte (CLT) to Louisville (SDF) in the last 12 months, and 76.5% of those that flew arrived on time, 1.1 points below the US average of 77.6%.
Among 3 airlines, Envoy Air led with 85.7% on time and PSA Airlines was last with 76.1%.
Over 24 months, Wednesday was the most reliable day (83% on time) and July the worst month (63%).
The cancellation rate was 2.2% (US average 1.8%).
CLT to SDF 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 | 85.7% | 47 min | 2.0% | 50 |
| American Airlines | 76.4% | 91 min | 2.7% | 966 |
| PSA Airlines | 76.1% | 68 min | 1.5% | 741 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CLT to SDF
On-time arrival % by scheduled departure hour (local time), 3,625 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 84.5% | 2.6% | 113 |
| 8am–9am | 94.3% | 2.8% | 72 |
| 9am–10am | 77.7% | 1.6% | 251 |
| 10am–11am | 83.6% | 3.2% | 278 |
| 11am–12pm | Limited data | 28 | |
| 12pm–1pm | Limited data | 5 | |
| 1pm–2pm | 77.4% | 1.3% | 546 |
| 2pm–3pm | 84.0% | 1.6% | 191 |
| 3pm–4pm | 76.6% | 1.9% | 158 |
| 4pm–5pm | 71.7% | 4.3% | 207 |
| 5pm–6pm | 69.4% | 1.3% | 233 |
| 6pm–7pm | 67.0% | 3.9% | 233 |
| 7pm–8pm | Limited data | 25 | |
| 8pm–9pm | 70.4% | 1.6% | 552 |
| 9pm–10pm | 70.8% | 2.0% | 199 |
| 10pm–11pm | 63.5% | 3.9% | 356 |
| 11pm–12am | 74.1% | 1.7% | 178 |
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 SDF
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) | 83.3% | +5.9 pts | 0.0% | 66 |
| Christmas & New Year (Dec 20 - Jan 3) | 68.4% | -9.0 pts | 1.3% | 154 |
| Summer peak (Jun 15 - Aug 15) | 61.4% | -16.0 pts | 3.1% | 605 |
| All other days | 77.4% | — | 2.2% | 2,800 |
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).