Delta Air Lines CVG to SEA on-time performance
Delta Air Lines nonstop flights from Cincinnati to Seattle · Aug 2025 – Jul 2026
On-time arrivals
85%
arrived < 15 min late
Cancelled
0.6%
2 flights
Avg arrival delay
9 min
53 min when late
Rank on route
#1 of 2
route average 76% on time
Key facts
- Delta Air Lines flights on CVG to SEA arrived on time 85% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 3% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (50%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion50%
- Airline (crew, maintenance, cleaning, fueling)49%
- Extreme weather1%
- Late-arriving aircraft0%
- Security0%
Other airlines on CVG to SEA
- Alaska Airlines69% on time · 19 min avg delay
Full CVG to SEA comparison →
Delta Air Lines on-time record across all routes →
362 Delta Air Lines flights tracked on this route; 2 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.