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
Filed traffic dataIn May 2026, American Airlines operated the most departures, one of 3 carriers flying nonstop DFW–SEA; the Airbus A321 was the most common aircraft at 35% of departures; flights ran 87% full.
Departures
937
May 2026
Seats
164,948
both directions
Passengers
143,152
both directions
Load factor
86.8%
RPM ÷ ASM
Who flies DFW–SEA?
American Airlines operated the most nonstop DFW–SEA departures in May 2026 (480), one of 3 carriers on the route.
- AA
480 departures · 91,062 seats
Share of departures51.2%87.4%
Load
- AS
338 departures · 58,871 seats
Share of departures36.1%85.8%
Load
- DL
119 departures · 15,015 seats
Share of departures12.7%87.2%
Load
What plane flies DFW–SEA?
In May 2026, the Airbus A321 flew 35% of DFW–SEA departures — more than any other aircraft type.
- Airbus A321
327 departures · 87.7% load
34.9% - Boeing 737-900ER
143 departures · 85.9% load
15.3% - Boeing 737 MAX 9
120 departures · 85.0% load
12.8% - Airbus A321neo
114 departures · 85.3% load
12.2% - Airbus A220-300
95 departures · 89.3% load
10.1% - Boeing 737-800
83 departures · 86.8% load
8.9% - Boeing 737 MAX 8
32 departures · 92.0% load
3.4% - Airbus A220-100
23 departures · 79.7% load
2.5%
How has DFW–SEA traffic changed?
Nonstop DFW–SEA departures fell from 964 in June 2025 to 937 in May 2026.
Monthly nonstop DFW–SEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
937 departures · 143,152 passengers
86.8%
Load
By direction
Each direction is filed separately — they rarely match.
DFW → SEA
91.3% full
477 departures · 76,595 passengers
SEA → DFW
82.1% full
460 departures · 66,557 passengers
Nonstop DFW–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
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 May 2026, the Airbus A321 flew the largest share of departures (34.9%), followed by the Boeing 737-900ER (15.3%).
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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