Charlotte (CLT) to Louisville (SDF): On-Time Performance
Data through May 2026
Charlotte (CLT) to Louisville (SDF) effectively runs on two schedules. In October 2025, 88% of arrivals were on time; in July 2024 that fell to 51% — a 37-point seasonal swing. Across the full period the route averages 74% on-time against a national 78%. Morning departures also hold up better than evening ones (84% vs 67%), which matters most in the rough months.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 2.4%
- Flights/day
- 4.8
- last 12 months
- Duration
- 1h 32m
- scheduled
- Distance
- 335 mi
Best airline from CLT to SDF
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 82% | 8 min | 2.0% | 101 |
| PSA Airlines | 77% | 15 min | 2.1% | 1,542 |
| American Airlines | 71% | 25 min | 2.6% | 2,054 |
Monthly on-time trend
Best time to fly from CLT to SDF
Aim for departures around 8 a.m. (94% on-time); avoid 10 p.m. departures (62%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 71% | 23 min |
| Tuesday | 79% | 17 min |
| Wednesdaybest | 81% | 14 min |
| Thursday | 74% | 19 min |
| Friday | 72% | 23 min |
| Saturday | 74% | 19 min |
| Sunday | 67% | 28 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft48%
- Airline operations34%
- National airspace system10%
- Weather9%
Frequently asked questions
- How often are flights from CLT to SDF delayed?
- 26% of CLT–SDF flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 21 minutes.
- Which airline is most reliable from CLT to SDF?
- Envoy Air has the best on-time record on this route at 82%, based on 101 flights. 3 airlines flew CLT–SDF frequently enough to compare in this period.
- What is the best time of day to fly from CLT to SDF?
- Departures around 8 a.m. have the best record (94% on-time), while departures around 10 p.m. have the worst (62%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CLT to SDF?
- The scheduled CLT–SDF flight time averages 1h 32m over 335 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are CLT to SDF flights cancelled?
- 2.4% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from CLT to SDF?
- July 2024 was the roughest month in this dataset, with only 51% of arrivals on time. The best was October 2025 at 88%. If your dates are flexible, that 37-point gap is worth planning around.
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Based on 3,697 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.