Historical on-time performance
Cincinnati to Washington
388 miData through Dec 2025Source: US DOT · BTS
Flights on CVG–IAD arrive on time 86% of the time over the last 12 months.
On-time rate86%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 498 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time86%Medianon timep9025 minCancel1.0%Flights498
Why flights run late
Delay causes
- Airline15%
- Weather4%
- Air traffic (NAS)25%
- Late aircraft56%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly CVG → IAD
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 71% to 92% on time.
- Middays92% on time · p90 5 min · 882 flights
- Mornings85% on time · p90 25 min · 61 flights · limited
- Evenings84% on time · p90 15 min · 152 flights · limited
- Afternoons71% on time · p90 65 min · 78 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 83% to 95% on time.
- Wednesdays95% on time · p90 on time · 168 flights · limited
- Thursdays92% on time · p90 10 min · 168 flights · limited
- Tuesdays90% on time · p90 10 min · 159 flights · limited
- Saturdays90% on time · p90 10 min · 147 flights · limited
- Fridays88% on time · p90 20 min · 181 flights · limited
- Mondays87% on time · p90 15 min · 170 flights · limited
- Sundays83% on time · p90 50 min · 180 flights · limited
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