SEA to CLE flight delays & on-time performance
Nonstop flights from Seattle–Tacoma International Airport to Cleveland Hopkins International Airport · 2,021 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SEA or CLE right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Seattle (SEA) to Cleveland (CLE) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.7% were cancelled, and 4% arrived an hour or more late.
- Alaska Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 10pm did best (82% on time); around 9pm did worst (47%).
- Thursday was the most reliable day to fly (86% on time) and Friday the least (67%).
- The largest source of delay minutes was late-arriving aircraft (46%).
Which airline is most on time from SEA to CLE?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Alaska Airlines | 77% | 0.7% | 11 min | 3.5% | 455 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 9am81%52 flights
- 10am78%120 flights
- 11am76%167 flights
- 9pm47%19 flights
- 10pm82%97 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%0.0% cancelled
- Tuesday75%0.0% cancelled
- Wednesday82%0.0% cancelled
- Thursday86%0.0% cancelled
- Friday67%2.7% cancelled
- Saturday74%0.0% cancelled
- Sunday80%1.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft46%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion20%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion0%
- Security0%
SEA to CLE: common questions
- How often are SEA to CLE flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Seattle to Cleveland cancelled?
- 0.7% of scheduled flights were cancelled (3 of 455).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 41 min behind schedule on average, and 3.5% of flights were an hour or more late.
- How long is taxi time at SEA?
- Flights on this route spent 24 min taxiing from the gate to takeoff on average.
Related routes
Return trip: CLE to SEA — 63% on time
More flights from Seattle
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SEA → CLE, nonstop flights by US airlines that report to the DOT. How we calculate this.