Cincinnati / Covington (CVG) to Seattle (SEA)
Flight time
≈ 4h 43m
Bearing
300° NW
Cincinnati / Covington (CVG) to Seattle (SEA) is 1,960 miles (3,154 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies CVG–SEA
Filed traffic dataIn May 2026, Delta Air Lines operated the most departures, one of 2 carriers flying nonstop CVG–SEA; the Boeing 737-900ER was the most common aircraft at 67% of departures; flights ran 84% full.
Departures
123
May 2026
Seats
21,667
both directions
Passengers
18,124
both directions
Load factor
83.7%
RPM ÷ ASM
Who flies CVG–SEA?
Delta Air Lines operated the most nonstop CVG–SEA departures in May 2026 (62), one of 2 carriers on the route.
- DL
62 departures · 10,877 seats
Share of departures50.4%87.3%
Load
- AS
61 departures · 10,790 seats
Share of departures49.6%80.0%
Load
What plane flies CVG–SEA?
In May 2026, the Boeing 737-900ER flew 67% of CVG–SEA departures — more than any other aircraft type.
- Boeing 737-900ER
83 departures · 83.7% load
67.5% - Boeing 737 MAX 9
22 departures · 80.5% load
17.9% - Boeing 737-800
18 departures · 87.5% load
14.6%
How has CVG–SEA traffic changed?
Nonstop CVG–SEA departures fell from 158 in June 2025 to 123 in May 2026.
Monthly nonstop CVG–SEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
158 departures · 24,217 passengers
85.8%
Load
July 2025
185 departures · 28,089 passengers
85.4%
Load
August 2025
159 departures · 24,857 passengers
87.5%
Load
September 2025
120 departures · 18,585 passengers
86.5%
Load
October 2025
120 departures · 17,039 passengers
79.6%
Load
November 2025
114 departures · 14,994 passengers
74.3%
Load
December 2025
118 departures · 16,680 passengers
79.4%
Load
January 2026
119 departures · 12,954 passengers
65.0%
Load
February 2026
113 departures · 12,501 passengers
66.9%
Load
March 2026
119 departures · 15,931 passengers
79.6%
Load
April 2026
119 departures · 16,406 passengers
82.0%
Load
May 2026
123 departures · 18,124 passengers
83.7%
Load
By direction
Each direction is filed separately — they rarely match.
SEA → CVG
80.3% full
62 departures · 8,774 passengers
CVG → SEA
87.0% full
61 departures · 9,350 passengers
Nonstop CVG–SEA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Cincinnati / Covington
US
Cincinnati Northern Kentucky International Airport
Coordinates
39.05°N, 84.67°W
Hemisphere
N · W
Frequently asked
How far is Cincinnati / Covington (CVG) from Seattle (SEA)?
CVG to SEA is 1,960 miles (3,154 km / 1,703 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CVG to SEA?
A nonstop covers the 1,960-mile great-circle distance in roughly 4h 43m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CVG–SEA?
In May 2026, the Boeing 737-900ER flew the largest share of departures (67.5%), followed by the Boeing 737 MAX 9 (17.9%).
What mileage do I earn flying CVG–SEA?
Distance-based programs credit off the 1,960-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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