Historical on-time performance
Cleveland to Seattle
2,021 miData through Dec 2025Source: US DOT · BTS
Flights on CLE–SEA arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.8%of scheduled flights
based on 337 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesOn-time71%Medianon timep9040 minCancel1.8%Flights337
Why flights run late
Delay causes
- Airline27%
- Weather2%
- Air traffic (NAS)17%
- Late aircraft54%
- 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 CLE → SEA
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 — 85% on time.
- Mornings85% on time · p90 15 min · 375 flights
- Evenings76% on time · p90 30 min · 905 flights
- Overnights48% on time · p90 80 min · 61 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 82% on time.
- Tuesdays82% on time · p90 20 min · 184 flights · limited
- Sundays80% on time · p90 25 min · 203 flights
- Wednesdays79% on time · p90 25 min · 187 flights · limited
- Saturdays77% on time · p90 30 min · 173 flights · limited
- Thursdays76% on time · p90 35 min · 193 flights · limited
- Mondays73% on time · p90 30 min · 200 flights
- Fridays72% on time · p90 40 min · 202 flights
Advertisement
Keep exploring