Historical on-time performance
Baltimore to Valparaiso
819 miData through Dec 2025Source: US DOT · BTS
Flights on BWI–VPS arrive on time 92% of the time over the last 12 months.
On-time rate92%arrived within 15 min
p90 delay10 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 183 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time92%Medianon timep9010 minCancel0.0%Flights183
Why flights run late
Delay causes
- Airline49%
- Weather0%
- Air traffic (NAS)37%
- Late aircraft15%
- 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 BWI → VPS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 90% on time.
- Mornings90% on time · p90 15 min · 235 flights
- Middays84% on time · p90 20 min · 417 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 91% on time.
- Tuesdays91% on time · p90 10 min · 90 flights · limited
- Sundays87% on time · p90 20 min · 102 flights · limited
- Mondays87% on time · p90 20 min · 93 flights · limited
- Wednesdays87% on time · p90 15 min · 98 flights · limited
- Fridays85% on time · p90 20 min · 96 flights · limited
- Thursdays84% on time · p90 15 min · 95 flights · limited
- Saturdays73% on time · p90 60 min · 128 flights · limited
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