St. Louis (STL) to Valparaiso (VPS): On-Time Performance
Data through July 2026
St. Louis (STL) to Valparaiso (VPS) is a thinner route than most in this dataset — 138 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 76% arrived on time.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.0%
- Flights/day
- 0.38
- last 12 months
- Duration
- 1h 49m
- scheduled
- Distance
- 610 mi
Monthly on-time trend
Best time to fly from STL to VPS
Aim for departures around 11 a.m. (86% on-time); avoid 5 p.m. departures (53%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 68% | 18 min |
| Tuesdaybest | 90% | 9 min |
| Wednesday | 80% | 14 min |
| Thursday | 57% | 24 min |
| Friday | 64% | 24 min |
| Saturday | 82% | 8 min |
| Sunday | 73% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft63%
- Airline operations22%
- National airspace system15%
Frequently asked questions
- How often are flights from STL to VPS delayed?
- 24% of STL–VPS 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 13 minutes.
- What is the best time of day to fly from STL to VPS?
- Departures around 11 a.m. have the best record (86% on-time), while departures around 5 p.m. have the worst (53%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from STL to VPS?
- The scheduled STL–VPS flight time averages 1h 49m over 610 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are STL to VPS flights cancelled?
- 0% 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 298 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.