Alaska Airlines CMH to SEA on-time performance
Alaska Airlines nonstop flights from Columbus to Seattle · Aug 2025 – Jul 2026
On-time arrivals
72%
arrived < 15 min late
Cancelled
1.1%
5 flights
Avg arrival delay
15 min
47 min when late
Rank on route
#4 of 5
route average 72% on time
Key facts
- Alaska Airlines flights on CMH to SEA arrived on time 72% of the time in Aug 2025 – Jul 2026.
- 1.1% were cancelled, and 6% arrived an hour or more late.
- That ranks #4 of 5 airlines on this route, which averaged 72% on time overall.
- The largest source of delay minutes was late-arriving aircraft (42%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft42%
- Air traffic control & airport congestion31%
- Airline (crew, maintenance, cleaning, fueling)17%
- Extreme weather11%
- Security0%
Other airlines on CMH to SEA
- American Airlines100% on time · 0 min avg delay
- Delta Air Lines100% on time · 0 min avg delay
- United Airlines100% on time · 0 min avg delay
- Southwest Airlines0% on time · 54 min avg delay
Full CMH to SEA comparison →
Alaska Airlines on-time record across all routes →
460 Alaska Airlines flights tracked on this route; 5 cancelled, 0 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.