Phoenix (PHX) to Seattle (SEA)
Flight time
≈ 3h 01m
Bearing
334° NW
Phoenix (PHX) to Seattle (SEA) is 1,107 miles (1,782 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies PHX–SEA
Filed traffic dataIn May 2026, Alaska Airlines operated the most departures, one of 5 carriers flying nonstop PHX–SEA; the Boeing 737-900ER was the most common aircraft at 26% of departures; flights ran 82% full.
Departures
1,242
May 2026
Seats
187,507
both directions
Passengers
154,424
both directions
Load factor
82.4%
RPM ÷ ASM
Who flies PHX–SEA?
Alaska Airlines operated the most nonstop PHX–SEA departures in May 2026 (512), one of 5 carriers on the route.
- AS
512 departures · 90,439 seats
Share of departures41.2%81.0%
Load
- DL
304 departures · 46,452 seats
Share of departures24.5%83.4%
Load
- MQ
228 departures · 17,328 seats
Share of departures18.4%84.2%
Load
- WN
186 departures · 31,752 seats
Share of departures15.0%83.8%
Load
- AA
12 departures · 1,536 seats
Share of departures1.0%81.3%
Load
What plane flies PHX–SEA?
In May 2026, the Boeing 737-900ER flew 26% of PHX–SEA departures — more than any other aircraft type.
- Boeing 737-900ER
328 departures · 80.9% load
26.4% - Boeing 737-800
259 departures · 82.9% load
20.8% - Embraer E175
228 departures · 84.2% load
18.4% - Boeing 737 MAX 9
191 departures · 81.7% load
15.4% - Airbus A220-300
107 departures · 83.9% load
8.6% - Boeing 737 MAX 8
94 departures · 83.2% load
7.6% - Boeing 737-700
21 departures · 92.5% load
1.7% - Airbus A319
12 departures · 81.3% load
1.0% - Airbus A321neo
2 departures · 48.2% load
0.2%
How has PHX–SEA traffic changed?
Nonstop PHX–SEA departures rose from 1,237 in June 2025 to 1,242 in May 2026.
Monthly nonstop PHX–SEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
1,237 departures · 155,526 passengers
84.7%
Load
July 2025
1,236 departures · 161,485 passengers
87.9%
Load
August 2025
1,164 departures · 151,802 passengers
86.9%
Load
September 2025
1,077 departures · 136,232 passengers
84.0%
Load
October 2025
1,194 departures · 151,235 passengers
82.3%
Load
November 2025
1,178 departures · 142,798 passengers
80.2%
Load
December 2025
1,252 departures · 156,219 passengers
83.0%
Load
January 2026
1,161 departures · 137,623 passengers
81.6%
Load
February 2026
1,128 departures · 143,593 passengers
83.7%
Load
March 2026
1,337 departures · 178,501 passengers
85.5%
Load
April 2026
1,330 departures · 165,994 passengers
80.1%
Load
May 2026
1,242 departures · 154,424 passengers
82.4%
Load
By direction
Each direction is filed separately — they rarely match.
PHX → SEA
88.5% full
621 departures · 82,906 passengers
SEA → PHX
76.2% full
621 departures · 71,518 passengers
Nonstop PHX–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 Phoenix (PHX) from Seattle (SEA)?
PHX to SEA is 1,107 miles (1,782 km / 962 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from PHX to SEA?
A nonstop covers the 1,107-mile great-circle distance in roughly 3h 01m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies PHX–SEA?
In May 2026, the Boeing 737-900ER flew the largest share of departures (26.4%), followed by the Boeing 737-800 (20.8%).
What mileage do I earn flying PHX–SEA?
Distance-based programs credit off the 1,107-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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