Louisville (SDF) to Dallas (DAL): On-Time Performance
Data through May 2026
Louisville (SDF) to Dallas (DAL) is a thinner route than most in this dataset — 351 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 82% arrived on time.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 10 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 12 p.m. (89% on-time); avoid 5 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 6 min |
| Tuesday | 83% | 8 min |
| Wednesday | 84% | 14 min |
| Thursday | 79% | 14 min |
| Fridaybest | 86% | 8 min |
| Saturday | 83% | 8 min |
| Sunday | 76% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft58%
- Airline operations20%
- National airspace system20%
- Weather2%
Frequently asked questions
- How often are flights from SDF to DAL delayed?
- 18% of SDF–DAL 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 10 minutes.
- What is the best time of day to fly from SDF to DAL?
- Departures around 12 p.m. have the best record (89% 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 18% of the time.
- How often are SDF to DAL flights cancelled?
- 1.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, 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.
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Based on 610 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.