Route Reliability
Louisville → Newark
SDF–EWR · 642 miles · Louisville Muhammad Ali International Airport to Newark Liberty International Airport
- 86%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 4.1%
- Cancelled
- 969
- Flights in the data
Data through May 2026.
Airlines on this route
- United Airlines87% on time · 948 flights
- Spirit Airlines72% on time · 21 flights
Too little history on this route to call a winner. We rank airlines only after 100 flights each.
What the data says
Morning flights do better here.
SDF–EWR flights departing between 9 AM–12 PM arrived on time 93% of the time, versus 71% between 3–6 PM.
Monday is the weak spot.
SDF–EWR flights arrived on time 92% of the time on Wednesdays. On Mondays: 82%.
Keep a backup plan handy.
This route was cancelled 4.1% of the time. Typical for U.S. flights is around 1–2%.
Ticking up lately.
SDF–EWR flights arrived on time 90% of the time over the last three months in the data, compared with 85% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon82%(133 flights)
- Tue88%(131 flights)
- Wed92%(129 flights)
- Thu89%(136 flights)
- Fri85%(136 flights)
- Sat86%(127 flights)
- Sun83%(132 flights)
- 6–9 AM92%(524 flights)
- 9 AM–12 PM93%(57 flights)
- 12–3 PM78%(301 flights)
- 3–6 PM71%(35 flights)
- 6–9 PM—(7 flights)
Jun 83% → May 96% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 65 |
| July 2025 | 81% | 68 |
| August 2025 | 84% | 64 |
| September 2025 | 94% | 62 |
| October 2025 | 89% | 93 |
| November 2025 | 76% | 80 |
| December 2025 | 73% | 71 |
| January 2026 | 89% | 79 |
| February 2026 | 92% | 75 |
| March 2026 | 82% | 84 |
| April 2026 | 92% | 91 |
| May 2026 | 96% | 92 |
Same trip, other airports
Keep nerding
Based on 969 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.