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 July 2026, United Airlines operated the most departures, one of 2 carriers flying nonstop IAD–SMF; the Boeing 737 MAX 9 was the most common aircraft at 98% of departures; flights ran 96% full.
Departures
61
July 2026
Seats
10,812
both directions
Passengers
10,338
both directions
Load factor
95.6%
RPM ÷ ASM
Who flies IAD–SMF?
United Airlines operated the most nonstop IAD–SMF departures in July 2026 (60), one of 2 carriers on the route.
- UA
60 departures · 10,740 seats
Share of departures98.4%95.7%
Load
- DL
1 departures · 72 seats
Share of departures1.6%79.2%
Load
What plane flies IAD–SMF?
In July 2026, the Boeing 737 MAX 9 flew 98% of IAD–SMF departures — more than any other aircraft type.
- Boeing 737 MAX 9
60 departures · 95.7% load
98.4% - Boeing 757-200
1 departures · 79.2% load
1.6%
How has IAD–SMF traffic changed?
Nonstop IAD–SMF departures fell from 63 in August 2025 to 61 in July 2026.
Monthly nonstop IAD–SMF traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
July 2026
61 departures · 10,338 passengers
95.6%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → SMF
95.2% full
31 departures · 5,178 passengers
SMF → IAD
96.1% full
30 departures · 5,160 passengers
Nonstop IAD–SMF traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 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 July 2026, the Boeing 737 MAX 9 flew the largest share of departures (98.4%), followed by the Boeing 757-200 (1.6%).
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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