Pittsburgh (PIT) to Seattle (SEA)
Flight time
≈ 5h 02m
Bearing
297° NW
Pittsburgh (PIT) to Seattle (SEA) is 2,119 miles (3,411 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies PIT–SEA
Filed traffic dataIn June 2026, Alaska Airlines was the only carrier flying nonstop PIT–SEA; the Boeing 737-900ER was the most common aircraft at 45% of departures; flights ran 83% full.
Departures
121
June 2026
Seats
21,130
both directions
Passengers
17,566
both directions
Load factor
83.1%
RPM ÷ ASM
Who flies PIT–SEA?
Alaska Airlines was the only carrier to fly nonstop PIT–SEA in June 2026 (121 departures).
- AS
121 departures · 21,130 seats
Share of departures100.0%83.1%
Load
What plane flies PIT–SEA?
In June 2026, the Boeing 737-900ER flew 45% of PIT–SEA departures — more than any other aircraft type.
- Boeing 737-900ER
55 departures · 85.4% load
45.5% - Boeing 737 MAX 9
42 departures · 83.1% load
34.7% - Boeing 737-800
24 departures · 77.5% load
19.8%
How has PIT–SEA traffic changed?
Nonstop PIT–SEA departures fell from 125 in July 2025 to 121 in June 2026.
Monthly nonstop PIT–SEA traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
125 departures · 19,273 passengers
87.3%
Load
August 2025
116 departures · 18,137 passengers
88.6%
Load
September 2025
106 departures · 14,187 passengers
75.0%
Load
October 2025
65 departures · 9,131 passengers
80.0%
Load
November 2025
52 departures · 7,068 passengers
78.6%
Load
December 2025
58 departures · 8,372 passengers
81.4%
Load
January 2026
43 departures · 5,753 passengers
75.5%
Load
February 2026
41 departures · 5,110 passengers
71.4%
Load
March 2026
53 departures · 7,605 passengers
81.6%
Load
April 2026
60 departures · 8,365 passengers
79.1%
Load
May 2026
101 departures · 13,235 passengers
76.6%
Load
June 2026
121 departures · 17,566 passengers
83.1%
Load
By direction
Each direction is filed separately — they rarely match.
SEA → PIT
83.1% full
61 departures · 8,856 passengers
PIT → SEA
83.1% full
60 departures · 8,710 passengers
Nonstop PIT–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 Pittsburgh (PIT) from Seattle (SEA)?
PIT to SEA is 2,119 miles (3,411 km / 1,842 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from PIT to SEA?
A nonstop covers the 2,119-mile great-circle distance in roughly 5h 02m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies PIT–SEA?
In June 2026, the Boeing 737-900ER flew the largest share of departures (45.5%), followed by the Boeing 737 MAX 9 (34.7%).
What mileage do I earn flying PIT–SEA?
Distance-based programs credit off the 2,119-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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