SFOIAD
San Francisco (San Francisco International Airport) to Washington (Washington Dulles International Airport).
The flight from San Francisco (SFO) to Washington (IAD) takes 4h 31m on average, covering about 2,487 miles. Across 4 flights we tracked, the fastest was 4h 20m and the slowest 4h 42m, with United Airlines flying it most often.
Plan this routeAt a glance
- Avg flight time
- 4h 31m
- Distance
- 2,487 mi
- Fastest tracked
- 4h 20m
- Airlines
- 1
Airlines on this route
- United Airlines100% of tracked flightsFlies it on: Boeing 737 MAX 9
Aircraft we tracked
- Boeing 737 MAX 94×
Flying the other way?
IAD to SFO flight time (12 tracked flights) →Flight times usually differ by direction — jet-stream winds make eastbound crossings faster than westbound ones.
Methodology: figures are aggregated from 4 real flights on this route tracked between 2026-06-03 and 2026-06-07, sourced from live flight data. Updated daily as new flights are observed.
Route FAQ
How long is the flight from SFO to IAD?
The SFO to IAD flight takes 4h 31m on average based on 4 tracked flights.
How far is SFO from IAD?
SFO to IAD is about 2,487 miles by air.
Which airlines fly from SFO to IAD?
United Airlines flies the SFO to IAD route in our route data.
What aircraft fly from SFO to IAD?
Aircraft observed or commonly scheduled on SFO to IAD include Boeing 737 MAX 9.