Oakland (OAK) to Seattle (SEA)
Flight time
≈ 2h 09m
Bearing
360° N
Oakland (OAK) to Seattle (SEA) is 672 miles (1,082 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies OAK–SEA
Filed traffic dataIn May 2026, Alaska Airlines operated the most departures, one of 4 carriers flying nonstop OAK–SEA; the Embraer E175 was the most common aircraft at 29% of departures; flights ran 78% full.
Departures
353
May 2026
Seats
48,588
both directions
Passengers
37,773
both directions
Load factor
77.7%
RPM ÷ ASM
Who flies OAK–SEA?
Alaska Airlines operated the most nonstop OAK–SEA departures in May 2026 (124), one of 4 carriers on the route.
- AS
124 departures · 21,800 seats
Share of departures35.1%75.9%
Load
- WN
124 departures · 18,812 seats
Share of departures35.1%76.3%
Load
- QX
104 departures · 7,904 seats
Share of departures29.5%86.4%
Load
- DL
1 departures · 72 seats
Share of departures0.3%55.6%
Load
What plane flies OAK–SEA?
In May 2026, the Embraer E175 flew 29% of OAK–SEA departures — more than any other aircraft type.
- Embraer E175
104 departures · 86.4% load
29.5% - Boeing 737-700
76 departures · 76.8% load
21.5% - Boeing 737-900ER
63 departures · 78.7% load
17.8% - Boeing 737 MAX 9
45 departures · 71.9% load
12.8% - Boeing 737-800
37 departures · 74.2% load
10.5% - Boeing 737 MAX 8
27 departures · 78.2% load
7.6% - Boeing 757-200
1 departures · 55.6% load
0.3%
How has OAK–SEA traffic changed?
Nonstop OAK–SEA departures fell from 559 in June 2025 to 353 in May 2026.
Monthly nonstop OAK–SEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
559 departures · 63,678 passengers
83.1%
Load
July 2025
581 departures · 67,196 passengers
84.4%
Load
August 2025
544 departures · 64,330 passengers
89.1%
Load
September 2025
512 departures · 53,384 passengers
79.0%
Load
October 2025
450 departures · 48,016 passengers
76.6%
Load
November 2025
379 departures · 40,410 passengers
76.4%
Load
December 2025
366 departures · 42,305 passengers
81.1%
Load
January 2026
332 departures · 34,544 passengers
73.9%
Load
February 2026
319 departures · 34,634 passengers
76.7%
Load
March 2026
301 departures · 31,441 passengers
75.2%
Load
April 2026
306 departures · 32,488 passengers
80.2%
Load
May 2026
353 departures · 37,773 passengers
77.7%
Load
By direction
Each direction is filed separately — they rarely match.
OAK → SEA
81.5% full
177 departures · 19,619 passengers
SEA → OAK
74.0% full
176 departures · 18,154 passengers
Nonstop OAK–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
Oakland
US
San Francisco Bay Oakland International Airport
Coordinates
37.72°N, 122.22°W
Hemisphere
N · W
Frequently asked
How far is Oakland (OAK) from Seattle (SEA)?
OAK to SEA is 672 miles (1,082 km / 584 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from OAK to SEA?
A nonstop covers the 672-mile great-circle distance in roughly 2h 09m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies OAK–SEA?
In May 2026, the Embraer E175 flew the largest share of departures (29.5%), followed by the Boeing 737-700 (21.5%).
What mileage do I earn flying OAK–SEA?
Distance-based programs credit off the 672-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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