Louisville (SDF) to Dallas (DAL): On-Time Performance
Data through July 2026
Louisville (SDF) to Dallas (DAL) is a thinner route than most in this dataset — 350 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 81% arrived on time.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 0.96
- last 12 months
- Duration
- 2h 14m
- scheduled
- Distance
- 725 mi
Monthly on-time trend
Best time to fly from SDF to DAL
Aim for departures around 10 a.m. (88% on-time); avoid 5 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 8 min |
| Tuesday | 83% | 9 min |
| Wednesdaybest | 85% | 13 min |
| Thursday | 78% | 15 min |
| Friday | 84% | 8 min |
| Saturday | 81% | 10 min |
| Sunday | 75% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft57%
- Airline operations19%
- National airspace system20%
- Weather4%
- Security1%
Frequently asked questions
- How often are flights from SDF to DAL delayed?
- 19% of SDF–DAL 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 11 minutes.
- What is the best time of day to fly from SDF to DAL?
- Departures around 10 a.m. have the best record (88% on-time), while departures around 5 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SDF to DAL?
- The scheduled SDF–DAL flight time averages 2h 14m over 725 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are SDF to DAL flights cancelled?
- 1.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SDF to DAL?
- May 2025 was the roughest month in this dataset, with only 48% of arrivals on time. The best was December 2025 at 94%. If your dates are flexible, that 45-point gap is worth planning around.
Explore related pages
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Related guides
Based on 660 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.