Dulles (IAD) to San Francisco (SFO)
Flight time
≈ 5h 38m
Bearing
282° W
Dulles (IAD) to San Francisco (SFO) is 2,413 miles (3,883 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–SFO
Filed traffic dataIn June 2026, United Airlines operated the most departures, one of 2 carriers flying nonstop IAD–SFO; the Boeing 737 MAX 9 was the most common aircraft at 32% of departures; flights ran 91% full.
Departures
471
June 2026
Seats
97,290
both directions
Passengers
88,776
both directions
Load factor
91.3%
RPM ÷ ASM
Who flies IAD–SFO?
United Airlines operated the most nonstop IAD–SFO departures in June 2026 (470), one of 2 carriers on the route.
- UA
470 departures · 97,218 seats
Share of departures99.8%91.2%
Load
- DL
1 departures · 72 seats
Share of departures0.2%97.2%
Load
What plane flies IAD–SFO?
In June 2026, the Boeing 737 MAX 9 flew 32% of IAD–SFO departures — more than any other aircraft type.
- Boeing 737 MAX 9
149 departures · 91.3% load
31.6% - Boeing 737-900ER
91 departures · 90.0% load
19.3% - Boeing 787-9
83 departures · 94.4% load
17.6% - Boeing 757-200
52 departures · 92.3% load
11.0% - Boeing 757-300
44 departures · 87.7% load
9.3% - Boeing 787-8
24 departures · 87.3% load
5.1% - Boeing 777-200
14 departures · 95.7% load
3.0% - Boeing 767-400ER
8 departures · 84.8% load
1.7% - Boeing 767-300
4 departures · 85.7% load
0.9% - Airbus A321neo
2 departures · 84.8% load
0.4%
How has IAD–SFO traffic changed?
Nonstop IAD–SFO departures fell from 537 in July 2025 to 471 in June 2026.
Monthly nonstop IAD–SFO traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
537 departures · 94,598 passengers
89.3%
Load
August 2025
509 departures · 90,617 passengers
87.0%
Load
September 2025
415 departures · 74,900 passengers
82.3%
Load
October 2025
495 departures · 89,500 passengers
84.1%
Load
November 2025
460 departures · 82,949 passengers
81.7%
Load
December 2025
490 departures · 82,744 passengers
84.2%
Load
January 2026
400 departures · 60,870 passengers
81.1%
Load
February 2026
380 departures · 57,753 passengers
80.9%
Load
March 2026
420 departures · 74,286 passengers
90.9%
Load
April 2026
462 departures · 79,428 passengers
87.6%
Load
May 2026
535 departures · 92,606 passengers
84.7%
Load
June 2026
471 departures · 88,776 passengers
91.3%
Load
By direction
Each direction is filed separately — they rarely match.
SFO → IAD
91.8% full
236 departures · 44,773 passengers
IAD → SFO
90.7% full
235 departures · 44,003 passengers
Nonstop IAD–SFO 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 San Francisco (SFO)?
IAD to SFO is 2,413 miles (3,883 km / 2,097 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to SFO?
A nonstop covers the 2,413-mile great-circle distance in roughly 5h 38m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–SFO?
In June 2026, the Boeing 737 MAX 9 flew the largest share of departures (31.6%), followed by the Boeing 737-900ER (19.3%).
What mileage do I earn flying IAD–SFO?
Distance-based programs credit off the 2,413-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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