FlightRecord

Louisville (SDF) to Charlotte (CLT): On-Time Performance

Data through July 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
2.4%
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 2024-07 and 2026-07.

AirlineOn-timeAvg delayCancelledFlights
Envoy Airmost reliable91%7 min1.0%101
American Airlines78%25 min2.8%2,068
PSA Airlines75%25 min2.0%1,636

Monthly on-time trend

Monthly on-time percentage for SDF to CLT flights50%75%100%August 2024: 69% on-time (180 flights)69Aug 2024September 2024: 71% on-time (180 flights)71October 2024: 79% on-time (174 flights)79November 2024: 84% on-time (156 flights)84Nov 2024December 2024: 71% on-time (163 flights)71January 2025: 72% on-time (154 flights)72February 2025: 68% on-time (137 flights)68Feb 2025March 2025: 80% on-time (152 flights)80April 2025: 73% on-time (138 flights)73May 2025: 74% on-time (150 flights)74May 2025June 2025: 68% on-time (140 flights)68July 2025: 74% on-time (142 flights)74August 2025: 84% on-time (156 flights)84Aug 2025September 2025: 86% on-time (159 flights)86October 2025: 85% on-time (141 flights)85November 2025: 83% on-time (140 flights)83Nov 2025December 2025: 75% on-time (145 flights)75January 2026: 90% on-time (129 flights)90February 2026: 86% on-time (128 flights)86Feb 2026March 2026: 84% on-time (151 flights)84April 2026: 86% on-time (153 flights)86May 2026: 82% on-time (165 flights)82May 2026June 2026: 75% on-time (145 flights)75July 2026: 73% on-time (145 flights)73

Best time to fly from SDF to CLT

Aim for departures around 5 a.m. (92% on-time); avoid 5 p.m. departures (61%).

On-time percentage by scheduled departure hour, SDF to CLT5 a.m.: 92% on-time (177 flights)56 a.m.: 81% on-time (541 flights)67 a.m.: 86% on-time (197 flights)78 a.m.: 76% on-time (493 flights)89 a.m.: 85% on-time (126 flights)910 a.m.: 91% on-time (46 flights)1011 a.m.: 89% on-time (178 flights)1112 p.m.: 79% on-time (372 flights)121 p.m.: 90% on-time (90 flights)133 p.m.: 72% on-time (548 flights)154 p.m.: 72% on-time (189 flights)165 p.m.: 61% on-time (168 flights)176 p.m.: 62% on-time (125 flights)187 p.m.: 75% on-time (230 flights)198 p.m.: 66% on-time (320 flights)20scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday76%24 min
Tuesday81%21 min
Wednesdaybest84%22 min
Thursday74%22 min
Friday74%25 min
Saturday78%31 min
Sunday72%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 aircraft40%
  • Airline operations45%
  • National airspace system12%
  • Weather3%
  • Security1%

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 2024-07 and 2026-07. 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 (92% on-time), while departures around 5 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?
2.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, 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.

Based on 3,805 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.