Honolulu, Oahu (HNL) to Seattle (SEA)
Flight time
≈ 6h 09m
Bearing
39° NE
Honolulu, Oahu (HNL) to Seattle (SEA) is 2,677 miles (4,308 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies HNL–SEA
US DOT T-100 · filed dataIn April 2026, Alaska Airlines operated the most departures, one of 2 carriers flying nonstop HNL–SEA; the Airbus A330-200 was the most common aircraft at 29% of departures; flights ran 77% full.
Departures
485
April 2026
Seats
112,606
both directions
Passengers
87,166
both directions
Load factor
77.4%
passengers ÷ seats
Who flies HNL–SEA?
Alaska Airlines operated the most nonstop HNL–SEA departures in April 2026 (348), one of 2 carriers on the route.
- AS
Alaska Airlines
348 departures · 86,034 seats
Share of departures71.8%74.5%
Load
- DL
Delta Air Lines
137 departures · 26,572 seats
Share of departures28.2%87.0%
Load
What plane flies HNL–SEA?
In April 2026, the Airbus A330-200 flew 29% of HNL–SEA departures — more than any other aircraft type.
- Airbus A330-200
140 departures · 73.6% load
28.9% - Airbus A321neo
137 departures · 87.0% load
28.2% - Boeing 737 MAX 9
94 departures · 76.0% load
19.4% - Boeing 787-9
83 departures · 73.6% load
17.1% - Boeing 737-900ER
29 departures · 79.2% load
6.0% - Boeing 737 MAX 8
1 departures · 85.7% load
0.2% - Boeing 737-800
1 departures · 73.6% load
0.2%
How has HNL–SEA traffic changed?
Nonstop HNL–SEA departures fell from 495 in May 2025 to 485 in April 2026.
Monthly nonstop HNL–SEA traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
495 departures · 93,273 passengers
85.1%
Load
June 2025
481 departures · 94,680 passengers
89.0%
Load
July 2025
485 departures · 97,956 passengers
91.1%
Load
August 2025
495 departures · 98,529 passengers
89.7%
Load
September 2025
479 departures · 84,026 passengers
78.2%
Load
October 2025
490 departures · 91,145 passengers
82.2%
Load
November 2025
466 departures · 82,627 passengers
76.9%
Load
December 2025
503 departures · 93,726 passengers
79.6%
Load
January 2026
499 departures · 90,857 passengers
78.0%
Load
February 2026
457 departures · 81,847 passengers
77.6%
Load
March 2026
518 departures · 96,457 passengers
81.0%
Load
April 2026
485 departures · 87,166 passengers
77.4%
Load
By direction
The DOT files each direction separately — they rarely match.
HNL → SEA
82.8% full
243 departures · 46,627 passengers
SEA → HNL
72.0% full
242 departures · 40,539 passengers
Nonstop HNL–SEA traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Honolulu, Oahu
US
Daniel K. Inouye International Airport
Coordinates
21.32°N, 157.93°W
Hemisphere
N · W
Frequently asked
How far is Honolulu, Oahu (HNL) from Seattle (SEA)?
HNL to SEA is 2,677 miles (4,308 km / 2,326 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from HNL to SEA?
A nonstop covers the 2,677-mile great-circle distance in roughly 6h 09m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies HNL–SEA?
In April 2026, the Airbus A330-200 flew the largest share of departures (28.9%), followed by the Airbus A321neo (28.2%).
What mileage do I earn flying HNL–SEA?
Distance-based programs credit off the 2,677-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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