Historical on-time performance
Seattle to Cleveland
2,021 miData through Dec 2025Source: US DOT · BTS
Flights on SEA–CLE arrive on time 68% of the time over the last 12 months.
On-time rate68%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 367 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesOn-time68%Medianon timep9035 minCancel0.5%Flights367
Why flights run late
Delay causes
- Airline44%
- Weather0%
- Air traffic (NAS)22%
- Late aircraft34%
- 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 → CLE
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 72% to 76% on time.
- Mornings76% on time · p90 30 min · 334 flights
- Middays74% on time · p90 30 min · 733 flights
- Overnights72% on time · p90 35 min · 350 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 81% on time.
- Wednesdays81% on time · p90 25 min · 199 flights · limited
- Tuesdays80% on time · p90 20 min · 189 flights · limited
- Saturdays74% on time · p90 30 min · 183 flights · limited
- Sundays73% on time · p90 30 min · 212 flights
- Mondays72% on time · p90 30 min · 212 flights
- Thursdays70% on time · p90 30 min · 211 flights
- Fridays70% on time · p90 40 min · 211 flights
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