Dulles (IAD) to Sacramento (SMF)
Flight time
≈ 5h 30m
Bearing
284° W
Dulles (IAD) to Sacramento (SMF) is 2,352 miles (3,785 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–SMF
Filed traffic dataIn June 2026, United Airlines was the only carrier flying nonstop IAD–SMF; the Boeing 737 MAX 9 was the most common aircraft at 100% of departures; flights ran 96% full.
Departures
56
June 2026
Seats
10,024
both directions
Passengers
9,615
both directions
Load factor
95.9%
RPM ÷ ASM
Who flies IAD–SMF?
United Airlines was the only carrier to fly nonstop IAD–SMF in June 2026 (56 departures).
- UA
56 departures · 10,024 seats
Share of departures100.0%95.9%
Load
What plane flies IAD–SMF?
In June 2026, the Boeing 737 MAX 9 flew 100% of IAD–SMF departures.
- Boeing 737 MAX 9
56 departures · 95.9% load
100.0%
How has IAD–SMF traffic changed?
Nonstop IAD–SMF departures fell from 62 in July 2025 to 56 in June 2026.
Monthly nonstop IAD–SMF traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
62 departures · 10,166 passengers
91.6%
Load
August 2025
63 departures · 9,414 passengers
84.2%
Load
September 2025
60 departures · 8,747 passengers
81.8%
Load
October 2025
62 departures · 9,247 passengers
84.7%
Load
November 2025
60 departures · 8,022 passengers
80.5%
Load
December 2025
62 departures · 9,545 passengers
86.4%
Load
January 2026
59 departures · 7,811 passengers
74.0%
Load
February 2026
57 departures · 7,722 passengers
76.5%
Load
March 2026
62 departures · 9,600 passengers
86.5%
Load
April 2026
60 departures · 9,390 passengers
87.4%
Load
May 2026
59 departures · 9,574 passengers
90.6%
Load
June 2026
56 departures · 9,615 passengers
95.9%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → SMF
94.4% full
28 departures · 4,733 passengers
SMF → IAD
97.4% full
28 departures · 4,882 passengers
Nonstop IAD–SMF 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 Dulles (IAD) from Sacramento (SMF)?
IAD to SMF is 2,352 miles (3,785 km / 2,044 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to SMF?
A nonstop covers the 2,352-mile great-circle distance in roughly 5h 30m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–SMF?
In June 2026, the Boeing 737 MAX 9 flew the largest share of departures (100.0%).
What mileage do I earn flying IAD–SMF?
Distance-based programs credit off the 2,352-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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