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.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies PIT–SEA
Filed traffic dataIn May 2026, Alaska Airlines was the only carrier flying nonstop PIT–SEA; the Boeing 737-900ER was the most common aircraft at 38% of departures; flights ran 77% full.
Departures
101
May 2026
Seats
17,286
both directions
Passengers
13,235
both directions
Load factor
76.6%
RPM ÷ ASM
Who flies PIT–SEA?
Alaska Airlines was the only carrier to fly nonstop PIT–SEA in May 2026 (101 departures).
- AS
101 departures · 17,286 seats
Share of departures100.0%76.6%
Load
What plane flies PIT–SEA?
In May 2026, the Boeing 737-900ER flew 38% of PIT–SEA departures — more than any other aircraft type.
- Boeing 737-900ER
38 departures · 76.0% load
37.6% - Boeing 737-800
36 departures · 78.7% load
35.6% - Boeing 737 MAX 9
23 departures · 72.8% load
22.8% - Boeing 737 MAX 8
4 departures · 87.1% load
4.0%
How has PIT–SEA traffic changed?
Nonstop PIT–SEA departures fell from 120 in June 2025 to 101 in May 2026.
Monthly nonstop PIT–SEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
120 departures · 17,539 passengers
82.3%
Load
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
By direction
Each direction is filed separately — they rarely match.
SEA → PIT
72.3% full
51 departures · 6,311 passengers
PIT → SEA
80.9% full
50 departures · 6,924 passengers
Nonstop PIT–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 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 May 2026, the Boeing 737-900ER flew the largest share of departures (37.6%), followed by the Boeing 737-800 (35.6%).
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.
Keep exploring
Every route below is its own page.
Popular long-haul routes