Louisville (SDF) to Charlotte (CLT): On-Time Performance
Data through May 2026
When you fly SDF to CLT matters as much as anything else about the booking: the route swung from 90% on-time in January 2026 to just 58% in July 2024. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 67%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 24 min
- completed flights
- Cancelled
- 2.3%
- Flights/day
- 4.8
- last 12 months
- Duration
- 1h 36m
- scheduled
- Distance
- 335 mi
Best airline from SDF to CLT
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 91% | 7 min | 1.0% | 101 |
| American Airlines | 78% | 25 min | 2.6% | 2,054 |
| PSA Airlines | 75% | 24 min | 1.9% | 1,540 |
Monthly on-time trend
Best time to fly from SDF to CLT
Aim for departures around 5 a.m. (94% on-time); avoid 6 p.m. departures (61%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 23 min |
| Tuesday | 81% | 21 min |
| Wednesdaybest | 84% | 22 min |
| Thursday | 75% | 20 min |
| Friday | 75% | 25 min |
| Saturday | 79% | 32 min |
| Sunday | 71% | 27 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations46%
- National airspace system12%
- Weather3%
Frequently asked questions
- How often are flights from SDF to CLT delayed?
- 23% of SDF–CLT 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 24 minutes.
- Which airline is most reliable from SDF to CLT?
- Envoy Air has the best on-time record on this route at 91%, based on 101 flights. 3 airlines flew SDF–CLT frequently enough to compare in this period.
- What is the best time of day to fly from SDF to CLT?
- Departures around 5 a.m. have the best record (94% on-time), while departures around 6 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SDF to CLT?
- The scheduled SDF–CLT flight time averages 1h 36m over 335 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are SDF to CLT flights cancelled?
- 2.3% 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 SDF to CLT?
- July 2024 was the roughest month in this dataset, with only 58% of arrivals on time. The best was January 2026 at 90%. If your dates are flexible, that 33-point gap is worth planning around.
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Based on 3,695 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.