Atlanta (ATL) to Valparaiso (VPS): On-Time Performance
Data through July 2026
Atlanta (ATL) to Valparaiso (VPS) effectively runs on two schedules. In September 2025, 94% of arrivals were on time; in July 2024 that fell to 69% — a 26-point seasonal swing. Across the full period the route averages 83% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 78%), which matters most in the rough months.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 1.8%
- Flights/day
- 6.6
- last 12 months
- Duration
- 1h 12m
- scheduled
- Distance
- 250 mi
Monthly on-time trend
Best time to fly from ATL to VPS
Aim for departures around 10 a.m. (92% on-time); avoid 8 p.m. departures (73%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 11 min |
| Tuesday | 86% | 9 min |
| Wednesdaybest | 88% | 9 min |
| Thursday | 83% | 10 min |
| Friday | 81% | 15 min |
| Saturday | 82% | 11 min |
| Sunday | 77% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft31%
- Airline operations51%
- National airspace system12%
- Weather6%
Frequently asked questions
- How often are flights from ATL to VPS delayed?
- 17% of ATL–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 12 minutes.
- What is the best time of day to fly from ATL to VPS?
- Departures around 10 a.m. have the best record (92% on-time), while departures around 8 p.m. have the worst (73%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ATL to VPS?
- The scheduled ATL–VPS flight time averages 1h 12m over 250 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are ATL to VPS flights cancelled?
- 1.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from ATL to VPS?
- July 2024 was the roughest month in this dataset, with only 69% of arrivals on time. The best was September 2025 at 94%. If your dates are flexible, that 26-point gap is worth planning around.
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Based on 4,939 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.