DFW to SDF flight delays & on-time performance
Nonstop flights from Dallas Fort Worth International Airport to Louisville Muhammad Ali International Airport · 733 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DFW or SDF right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Dallas/Fort Worth (DFW) to Louisville (SDF) arrived on time 71% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 3.4% were cancelled, and 12% arrived an hour or more late.
- Envoy Air was the most punctual airline here (85% on time); American Airlines was the least (62%).
- Departures scheduled around 10am did best (88% on time); around 3pm did worst (40%).
- Tuesday was the most reliable day to fly (75% on time) and Sunday the least (67%).
- The largest source of delay minutes was late-arriving aircraft (50%).
Which airline is most on time from DFW to SDF?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 85% | 2.1% | 8 min | 3.0% | 339 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 85% | 3.6% | 7 min | 1.9% | 56 |
| PSA AirlinesRegional airline operating American Eagle flights. | 83% | 5.5% | 14 min | 7.6% | 419 |
| Spirit Airlines | 75% | 0.0% | 11 min | 0.0% | 4 |
| American Airlines | 62% | 3.0% | 34 min | 16.9% | 1,183 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am79%234 flights
- 8am78%94 flights
- 9am87%162 flights
- 10am88%200 flights
- 12pm77%150 flights
- 1pm77%104 flights
- 2pm72%309 flights
- 3pm40%70 flights
- 4pm65%159 flights
- 5pm69%82 flights
- 6pm58%98 flights
- 7pm57%125 flights
- 8pm51%196 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday69%3.1% cancelled
- Tuesday75%2.3% cancelled
- Wednesday73%1.4% cancelled
- Thursday72%2.0% cancelled
- Friday71%5.6% cancelled
- Saturday71%4.8% cancelled
- Sunday67%4.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft50%
- Airline (crew, maintenance, cleaning, fueling)36%
- Air traffic control & airport congestion8%
- Extreme weather6%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather82%
- Airline (crew, maintenance, cleaning, fueling)12%
- Air traffic control & airport congestion6%
- Security0%
DFW to SDF: common questions
- How often are DFW to SDF flights on time?
- 71% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Dallas/Fort Worth to Louisville cancelled?
- 3.4% of scheduled flights were cancelled (68 of 2,001).
- How long are typical delays?
- Across all flights the average arrival delay was 25 min (early arrivals count as zero). Flights that were late arrived 82 min behind schedule on average, and 12.2% of flights were an hour or more late.
- How long is taxi time at DFW?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SDF to DFW — 75% on time
More flights from Dallas/Fort Worth
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DFW → SDF, nonstop flights by US airlines that report to the DOT. How we calculate this.