Historical on-time performance
Seattle to Cincinnati
1,964 miData through Dec 2025Source: US DOT · BTS
Flights on SEA–CVG arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.5%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-time87%Medianon timep9020 minCancel0.7%Flights306
- Alaska AirlinesOn-time70%Medianon timep9040 minCancel0.4%Flights282
Why flights run late
Delay causes
- Airline51%
- Weather0%
- Air traffic (NAS)20%
- Late aircraft29%
- 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 SEA → CVG
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 51% to 83% on time.
- Middays83% on time · p90 25 min · 1,635 flights
- Mornings83% on time · p90 20 min · 506 flights
- Overnights51% on time · p90 75 min · 69 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 85% on time.
- Wednesdays85% on time · p90 20 min · 324 flights
- Tuesdays85% on time · p90 20 min · 306 flights
- Thursdays84% on time · p90 25 min · 316 flights
- Fridays83% on time · p90 20 min · 320 flights
- Mondays82% on time · p90 35 min · 325 flights
- Saturdays80% on time · p90 25 min · 295 flights
- Sundays75% on time · p90 35 min · 324 flights
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