Columbus (CMH) to Seattle (SEA)
Flight time
≈ 4h 49m
Bearing
298° NW
Columbus (CMH) to Seattle (SEA) is 2,011 miles (3,237 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies CMH–SEA
Filed traffic dataIn June 2026, Alaska Airlines was the only carrier flying nonstop CMH–SEA; the Boeing 737-900ER was the most common aircraft at 50% of departures; flights ran 84% full.
Departures
114
June 2026
Seats
19,952
both directions
Passengers
16,785
both directions
Load factor
84.1%
RPM ÷ ASM
Who flies CMH–SEA?
Alaska Airlines was the only carrier to fly nonstop CMH–SEA in June 2026 (114 departures).
- AS
114 departures · 19,952 seats
Share of departures100.0%84.1%
Load
What plane flies CMH–SEA?
In June 2026, the Boeing 737-900ER flew 50% of CMH–SEA departures — more than any other aircraft type.
- Boeing 737-900ER
57 departures · 84.3% load
50.0% - Boeing 737 MAX 9
37 departures · 81.1% load
32.5% - Boeing 737-800
18 departures · 89.1% load
15.8% - Boeing 737 MAX 8
2 departures · 94.4% load
1.8%
How has CMH–SEA traffic changed?
Nonstop CMH–SEA departures fell from 124 in July 2025 to 114 in June 2026.
Monthly nonstop CMH–SEA traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
124 departures · 19,841 passengers
89.8%
Load
August 2025
114 departures · 17,806 passengers
88.1%
Load
September 2025
108 departures · 15,649 passengers
80.4%
Load
October 2025
66 departures · 9,597 passengers
82.0%
Load
November 2025
58 departures · 8,238 passengers
80.7%
Load
December 2025
62 departures · 8,728 passengers
82.0%
Load
January 2026
44 departures · 5,636 passengers
73.0%
Load
February 2026
40 departures · 5,265 passengers
75.4%
Load
March 2026
52 departures · 7,459 passengers
81.2%
Load
April 2026
59 departures · 7,856 passengers
75.5%
Load
May 2026
89 departures · 12,124 passengers
77.9%
Load
June 2026
114 departures · 16,785 passengers
84.1%
Load
By direction
Each direction is filed separately — they rarely match.
CMH → SEA
82.0% full
57 departures · 8,177 passengers
SEA → CMH
86.3% full
57 departures · 8,608 passengers
Nonstop CMH–SEA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Columbus (CMH) from Seattle (SEA)?
CMH to SEA is 2,011 miles (3,237 km / 1,748 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CMH to SEA?
A nonstop covers the 2,011-mile great-circle distance in roughly 4h 49m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CMH–SEA?
In June 2026, the Boeing 737-900ER flew the largest share of departures (50.0%), followed by the Boeing 737 MAX 9 (32.5%).
What mileage do I earn flying CMH–SEA?
Distance-based programs credit off the 2,011-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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