Oklahoma City (OKC) to Seattle (SEA)
Flight time
≈ 3h 50m
Bearing
311° NW
Oklahoma City (OKC) to Seattle (SEA) is 1,517 miles (2,442 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies OKC–SEA
Filed traffic dataIn May 2026, Alaska Airlines operated the most departures, one of 2 carriers flying nonstop OKC–SEA; the Boeing 737-900ER was the most common aircraft at 41% of departures; flights ran 85% full.
Departures
66
May 2026
Seats
11,280
both directions
Passengers
9,627
both directions
Load factor
85.4%
RPM ÷ ASM
Who flies OKC–SEA?
Alaska Airlines operated the most nonstop OKC–SEA departures in May 2026 (65), one of 2 carriers on the route.
- AS
65 departures · 11,090 seats
Share of departures98.5%85.1%
Load
- AA
1 departures · 190 seats
Share of departures1.5%99.5%
Load
What plane flies OKC–SEA?
In May 2026, the Boeing 737-900ER flew 41% of OKC–SEA departures — more than any other aircraft type.
- Boeing 737-900ER
27 departures · 83.4% load
40.9% - Boeing 737-800
16 departures · 87.7% load
24.2% - Boeing 737 MAX 8
12 departures · 86.0% load
18.2% - Boeing 737 MAX 9
10 departures · 84.9% load
15.2% - Airbus A321
1 departures · 99.5% load
1.5%
How has OKC–SEA traffic changed?
Nonstop OKC–SEA departures rose from 61 in June 2025 to 66 in May 2026.
Monthly nonstop OKC–SEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
61 departures · 10,194 passengers
93.8%
Load
July 2025
95 departures · 14,817 passengers
88.0%
Load
August 2025
104 departures · 14,857 passengers
81.1%
Load
September 2025
61 departures · 9,339 passengers
86.2%
Load
October 2025
62 departures · 9,303 passengers
84.6%
Load
November 2025
59 departures · 7,816 passengers
76.0%
Load
December 2025
62 departures · 8,565 passengers
78.4%
Load
January 2026
46 departures · 5,807 passengers
73.5%
Load
February 2026
50 departures · 6,500 passengers
73.0%
Load
March 2026
63 departures · 9,101 passengers
81.5%
Load
April 2026
62 departures · 8,793 passengers
80.0%
Load
May 2026
66 departures · 9,627 passengers
85.4%
Load
By direction
Each direction is filed separately — they rarely match.
SEA → OKC
82.5% full
35 departures · 4,935 passengers
OKC → SEA
88.6% full
31 departures · 4,692 passengers
Nonstop OKC–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
Frequently asked
How far is Oklahoma City (OKC) from Seattle (SEA)?
OKC to SEA is 1,517 miles (2,442 km / 1,318 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from OKC to SEA?
A nonstop covers the 1,517-mile great-circle distance in roughly 3h 50m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies OKC–SEA?
In May 2026, the Boeing 737-900ER flew the largest share of departures (40.9%), followed by the Boeing 737-800 (24.2%).
What mileage do I earn flying OKC–SEA?
Distance-based programs credit off the 1,517-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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