Historical on-time performance
Cincinnati to Seattle
1,964 miData through Dec 2025Source: US DOT · BTS
Flights on CVG–SEA arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 588 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time85%Medianon timep9020 minCancel0.7%Flights306
- Alaska AirlinesOn-time69%Medianon timep9050 minCancel0.7%Flights282
Why flights run late
Delay causes
- Airline24%
- Weather9%
- Air traffic (NAS)23%
- Late aircraft43%
- 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 → SEA
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 81% to 85% on time.
- Afternoons85% on time · p90 20 min · 131 flights · limited
- Mornings81% on time · p90 25 min · 430 flights
- Evenings81% on time · p90 30 min · 1,649 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 87% on time.
- Tuesdays87% on time · p90 20 min · 307 flights
- Wednesdays86% on time · p90 20 min · 323 flights
- Saturdays81% on time · p90 25 min · 295 flights
- Fridays80% on time · p90 25 min · 320 flights
- Thursdays80% on time · p90 30 min · 317 flights
- Mondays79% on time · p90 35 min · 324 flights
- Sundays74% on time · p90 45 min · 324 flights
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