Alaska Airlines SEA to CMH on-time performance
Alaska Airlines nonstop flights from Seattle to Columbus · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
0.4%
2 flights
Avg arrival delay
10 min
42 min when late
Rank on route
#5 of 5
route average 80% on time
Key facts
- Alaska Airlines flights on SEA to CMH arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 0.4% were cancelled, and 3% arrived an hour or more late.
- That ranks #5 of 5 airlines on this route, which averaged 80% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (36%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)36%
- Late-arriving aircraft30%
- Air traffic control & airport congestion28%
- Extreme weather6%
- Security0%
Other airlines on SEA to CMH
- American Airlines100% on time · 0 min avg delay
- Delta Air Lines100% on time · 0 min avg delay
- United Airlines100% on time · 3 min avg delay
- Southwest Airlines100% on time · 0 min avg delay
Full SEA to CMH comparison →
Alaska Airlines on-time record across all routes →
460 Alaska Airlines flights tracked on this route; 2 cancelled, 2 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.