Valparaiso (VPS) to Louisville (SDF): On-Time Performance
Data through July 2026
Valparaiso (VPS) to Louisville (SDF) is a thinner route than most in this dataset — 130 departures over the past year, roughly 3 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
- 14 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 0.36
- last 12 months
- Duration
- 1h 43m
- scheduled
- Distance
- 532 mi
Monthly on-time trend
Best time to fly from VPS to SDF
Aim for departures around 8 a.m. (97% on-time); avoid 1 p.m. departures (77%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 89% | 9 min |
| Tuesday | 83% | 3 min |
| Wednesdaybest | 100% | 0 min |
| Thursday | 83% | 15 min |
| Fridaybest | 100% | 3 min |
| Saturday | 78% | 17 min |
| Sunday | 79% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft52%
- Airline operations29%
- National airspace system11%
- Weather9%
Frequently asked questions
- How often are flights from VPS to SDF delayed?
- 19% of VPS–SDF 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 14 minutes.
- What is the best time of day to fly from VPS to SDF?
- Departures around 8 a.m. have the best record (97% on-time), while departures around 1 p.m. have the worst (77%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from VPS to SDF?
- The scheduled VPS–SDF flight time averages 1h 43m over 532 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are VPS to SDF flights cancelled?
- 0.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
Explore related pages
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Related guides
Based on 268 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.