Dallas-Fort Worth (DFW) to Seattle (SEA)
Flight time
≈ 4h 07m
Bearing
315° NW
Dallas-Fort Worth (DFW) to Seattle (SEA) is 1,658 miles (2,668 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies DFW–SEA
US DOT T-100 · filed dataIn April 2026, American Airlines operated the most departures, one of 3 carriers flying nonstop DFW–SEA; the Airbus A321 was the most common aircraft at 34% of departures; flights ran 86% full.
Departures
819
April 2026
Seats
142,054
both directions
Passengers
121,600
both directions
Load factor
85.6%
passengers ÷ seats
Who flies DFW–SEA?
American Airlines operated the most nonstop DFW–SEA departures in April 2026 (448), one of 3 carriers on the route.
- AA
American Airlines
448 departures · 84,946 seats
Share of departures54.7%87.0%
Load
- AS
Alaska Airlines
250 departures · 43,829 seats
Share of departures30.5%83.5%
Load
- DL
Delta Air Lines
121 departures · 13,279 seats
Share of departures14.8%84.0%
Load
What plane flies DFW–SEA?
In April 2026, the Airbus A321 flew 34% of DFW–SEA departures — more than any other aircraft type.
- Airbus A321
281 departures · 85.8% load
34.3% - Airbus A321neo
122 departures · 88.2% load
14.9% - Airbus A220-100
118 departures · 85.1% load
14.4% - Boeing 737-900ER
113 departures · 82.0% load
13.8% - Boeing 737 MAX 9
98 departures · 83.2% load
12.0% - Boeing 737-800
77 departures · 90.7% load
9.4% - Boeing 737 MAX 8
8 departures · 85.2% load
1.0% - Airbus A220-300
2 departures · 26.2% load
0.2%
How has DFW–SEA traffic changed?
Nonstop DFW–SEA departures fell from 929 in May 2025 to 819 in April 2026.
Monthly nonstop DFW–SEA traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
929 departures · 146,680 passengers
90.0%
Load
June 2025
964 departures · 156,729 passengers
92.7%
Load
July 2025
996 departures · 163,913 passengers
93.6%
Load
August 2025
920 departures · 151,284 passengers
94.0%
Load
September 2025
844 departures · 132,418 passengers
90.0%
Load
October 2025
875 departures · 135,633 passengers
89.3%
Load
November 2025
799 departures · 118,096 passengers
85.1%
Load
December 2025
901 departures · 138,870 passengers
87.8%
Load
January 2026
720 departures · 102,879 passengers
82.3%
Load
February 2026
682 departures · 100,708 passengers
85.9%
Load
March 2026
750 departures · 114,166 passengers
87.9%
Load
April 2026
819 departures · 121,600 passengers
85.6%
Load
By direction
The DOT files each direction separately — they rarely match.
DFW → SEA
87.1% full
410 departures · 61,981 passengers
SEA → DFW
84.1% full
409 departures · 59,619 passengers
Nonstop DFW–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
Dallas-Fort Worth
US
Dallas Fort Worth International Airport
Coordinates
32.90°N, 97.04°W
Hemisphere
N · W
Frequently asked
How far is Dallas-Fort Worth (DFW) from Seattle (SEA)?
DFW to SEA is 1,658 miles (2,668 km / 1,441 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from DFW to SEA?
A nonstop covers the 1,658-mile great-circle distance in roughly 4h 07m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies DFW–SEA?
In April 2026, the Airbus A321 flew the largest share of departures (34.3%), followed by the Airbus A321neo (14.9%).
What mileage do I earn flying DFW–SEA?
Distance-based programs credit off the 1,658-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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