Louisville (SDF) to Dallas/Fort Worth (DFW): On-Time Performance
Data through May 2026
The calendar drives reliability on SDF–DFW. October 2024 flights landed on schedule 89% of the time, but June 2025 dropped to 61% — a gap of 28 points. Across the full period the route averages 74% on-time against a national 78%. Morning departures also hold up better than evening ones (80% vs 64%), which matters most in the rough months.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 27 min
- completed flights
- Cancelled
- 2.7%
- Flights/day
- 5.6
- last 12 months
- Duration
- 2h 28m
- scheduled
- Distance
- 733 mi
Best airline from SDF to DFW
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 78% | 16 min | 1.9% | 1,040 |
| PSA Airlines | 75% | 36 min | 4.1% | 796 |
| American Airlines | 72% | 30 min | 2.6% | 2,211 |
Monthly on-time trend
Best time to fly from SDF to DFW
Aim for departures around 5 a.m. (86% on-time); avoid 5 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 26 min |
| Tuesdaybest | 81% | 16 min |
| Wednesday | 76% | 24 min |
| Thursday | 71% | 33 min |
| Friday | 74% | 35 min |
| Saturday | 73% | 28 min |
| Sunday | 71% | 30 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 operations43%
- National airspace system15%
- Weather4%
Frequently asked questions
- How often are flights from SDF to DFW delayed?
- 26% of SDF–DFW 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 27 minutes.
- Which airline is most reliable from SDF to DFW?
- Envoy Air has the best on-time record on this route at 78%, based on 1,040 flights. 3 airlines flew SDF–DFW frequently enough to compare in this period.
- What is the best time of day to fly from SDF to DFW?
- Departures around 5 a.m. have the best record (86% on-time), while departures around 5 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SDF to DFW?
- The scheduled SDF–DFW flight time averages 2h 28m over 733 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are SDF to DFW flights cancelled?
- 2.7% 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 DFW?
- June 2025 was the roughest month in this dataset, with only 61% of arrivals on time. The best was October 2024 at 89%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 4,130 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.