Louisville (SDF) to Valparaiso (VPS): On-Time Performance
Data through May 2026
Louisville (SDF) to Valparaiso (VPS) is a thinner route than most in this dataset — 131 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 79% arrived on time.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 0.36
- last 12 months
- Duration
- 1h 40m
- scheduled
- Distance
- 532 mi
Monthly on-time trend
Best time to fly from SDF to VPS
Aim for departures around 7 p.m. (79% on-time); avoid 5 p.m. departures (72%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 89% | 10 min |
| Tuesday | 92% | 4 min |
| Wednesdaybest | 100% | 0 min |
| Thursday | 76% | 26 min |
| Friday | 88% | 3 min |
| Saturday | 80% | 22 min |
| Sunday | 77% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft67%
- Airline operations13%
- National airspace system10%
- Weather10%
Frequently asked questions
- How often are flights from SDF to VPS delayed?
- 21% of SDF–VPS 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 20 minutes.
- What is the best time of day to fly from SDF to VPS?
- Departures around 7 p.m. have the best record (79% on-time), while departures around 5 p.m. have the worst (72%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SDF to VPS?
- The scheduled SDF–VPS flight time averages 1h 40m over 532 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are SDF to VPS flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
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Based on 257 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.