Cincinnati / Covington (CVG) to Seattle (SEA)

1,960mi
3,154 km1,703 nm

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.

Route map: CVG → SEACVGSEA

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What actually flies CVG–SEA

Filed traffic data

In July 2026, Alaska Airlines operated the most departures, one of 2 carriers flying nonstop CVG–SEA; the Boeing 737-900ER was the most common aircraft at 64% of departures; flights ran 89% full.

Departures

185

July 2026

Seats

32,569

both directions

Passengers

28,885

both directions

Load factor

88.7%

RPM ÷ ASM

Who flies CVG–SEA?

Alaska Airlines operated the most nonstop CVG–SEA departures in July 2026 (123), one of 2 carriers on the route.

  • AS

    Alaska Airlines

    123 departures · 21,452 seats

    87.5%

    Load

  • DL

    Delta Air Lines

    62 departures · 11,117 seats

    90.9%

    Load

What plane flies CVG–SEA?

In July 2026, the Boeing 737-900ER flew 64% of CVG–SEA departures — more than any other aircraft type.

How has CVG–SEA traffic changed?

Nonstop CVG–SEA departures rose from 159 in August 2025 to 185 in July 2026.

Monthly nonstop CVG–SEA traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • 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

  • June 2026

    163 departures · 25,228 passengers

    88.8%

    Load

  • July 2026

    185 departures · 28,885 passengers

    88.7%

    Load

By direction

Each direction is filed separately — they rarely match.

SEA → CVG

87.9% full

93 departures · 14,398 passengers

CVG → SEA

89.4% full

92 departures · 14,487 passengers

Nonstop CVG–SEA traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).

The airports

CVG

US

Cincinnati Northern Kentucky International Airport

Coordinates

39.05°N, 84.67°W

Hemisphere

N · W

SEA

US

Seattle–Tacoma International Airport

Coordinates

47.45°N, 122.31°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 July 2026, the Boeing 737-900ER flew the largest share of departures (64.3%), followed by the Boeing 737 MAX 9 (20.5%).

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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