Route · SEA → CVG · 2020–2025 BTS data
Seattle to Cincinnati
The SEA–CVG corridor (Seattle, WA → Cincinnati, OH) runs ahead of the national average, served by 2 carriers across roughly 1,965 miles.
Data updated 2026-06-13
- 82.4%
- On-time
- +3.4 pts
- vs US avg
- 61 min
- Delay when late
- 3,371
- Flights
Cancelled
1.1%
Best Month
Jun 2024 93%
Worst Month
Jul 2025 64%
Distance
1,965 mi
Carriers
2
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 60 | 10 | 1 | 0 | DL,AS |
| Nov 2025 | 57 | 8 | 0 | 0 | AS,DL |
| Oct 2025 | 61 | 5 | 1 | 0 | AS,DL |
| Sep 2025 | 60 | 5 | 0 | 0 | DL,AS |
| Aug 2025 | 80 | 23 | 0 | 2 | AS,DL |
| Jul 2025 | 92 | 33 | 0 | 2 | AS,DL |
| Jun 2025 | 80 | 17 | 0 | 1 | AS,DL |
| May 2025 | 62 | 15 | 0 | 0 | AS,DL |
| Apr 2025 | 60 | 9 | 0 | 1 | DL,AS |
| Mar 2025 | 56 | 5 | 0 | 0 | AS,DL |
| Feb 2025 | 48 | 6 | 0 | 0 | AS,DL |
| Jan 2025 | 55 | 11 | 2 | 0 | AS,DL |
| Dec 2024 | 57 | 13 | 0 | 0 | AS,DL |
| Nov 2024 | 57 | 5 | 0 | 0 | AS,DL |
| Oct 2024 | 61 | 8 | 0 | 0 | AS,DL |
| Sep 2024 | 60 | 16 | 0 | 0 | AS,DL |
| Aug 2024 | 62 | 17 | 0 | 0 | AS,DL |
| Jul 2024 | 62 | 13 | 4 | 0 | AS,DL |
| Jun 2024 | 60 | 4 | 0 | 0 | AS,DL |
| May 2024 | 62 | 10 | 0 | 0 | AS,DL |
| Apr 2024 | 60 | 13 | 0 | 1 | AS,DL |
| Mar 2024 | 60 | 5 | 0 | 0 | AS,DL |
| Feb 2024 | 54 | 6 | 0 | 0 | AS,DL |
| Jan 2024 | 59 | 5 | 9 | 0 | AS,DL |
Cancellation Rate
1.1%
17 of 1,485 flights
Diversion Rate
0.5%
7 of 1,485 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Origin airport →CVG - Cincinnati
Full on-time, delay-cause, and seasonal performance for Cincinnati, OH.
Destination airport →Compare the two airports
See SEA and CVG side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SEA–CVG.
Routes with a similar on-time rate
What the Data Says About SEA to CVG
Bureau of Transportation Statistics records show Seattle to Cincinnati (SEA to CVG) running a 82.4% on-time rate over 3,371 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 61.4 minutes. The 1,965-mile corridor is served by 2 carriers, and over the last 24 months 1.1% of 1,485 flights were cancelled, 0.5% diverted.
The monthly split is wide on this route: Jun 2024 posted the strongest performance at 93% on-time, while Jul 2025 came in at just 64% - a 29-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from SEA to CVG? ▼
What is the cancellation rate for SEA to CVG? ▼
How far is the flight from SEA to CVG? ▼
When is the best time to fly from SEA to CVG? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.