Historical on-time performance
Atlanta to Valparaiso
250 miData through Dec 2025Source: US DOT · BTS
Flights on ATL–VPS arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.8%of scheduled flights
based on 2,325 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time81%Medianon timep9035 minCancel1.8%Flights2,325
Why flights run late
Delay causes
- Airline48%
- Weather8%
- Air traffic (NAS)11%
- Late aircraft33%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ATL → VPS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 76% to 86% on time.
- Mornings86% on time · p90 15 min · 1,193 flights
- Middays86% on time · p90 20 min · 1,763 flights
- Afternoons81% on time · p90 30 min · 1,155 flights
- Evenings80% on time · p90 40 min · 895 flights
- Overnights76% on time · p90 50 min · 1,519 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 87% on time.
- Tuesdays87% on time · p90 20 min · 877 flights
- Wednesdays87% on time · p90 20 min · 890 flights
- Thursdays83% on time · p90 30 min · 975 flights
- Mondays82% on time · p90 30 min · 967 flights
- Saturdays80% on time · p90 30 min · 871 flights
- Fridays80% on time · p90 35 min · 976 flights
- Sundays75% on time · p90 45 min · 969 flights
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