Austin (AUS) to Dulles (IAD)
Flight time
≈ 3h 23m
Bearing
57° NE
Austin (AUS) to Dulles (IAD) is 1,295 miles (2,084 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies AUS–IAD
Filed traffic dataIn May 2026, United Airlines operated the most departures, one of 4 carriers flying nonstop AUS–IAD; the Boeing 737-900ER was the most common aircraft at 37% of departures; flights ran 87% full.
Departures
188
May 2026
Seats
30,191
both directions
Passengers
26,207
both directions
Load factor
86.8%
RPM ÷ ASM
Who flies AUS–IAD?
United Airlines operated the most nonstop AUS–IAD departures in May 2026 (171), one of 4 carriers on the route.
- UA
171 departures · 28,390 seats
Share of departures91.0%86.5%
Load
- YV
10 departures · 712 seats
Share of departures5.3%88.3%
Load
- G4
6 departures · 1,080 seats
Share of departures3.2%93.9%
Load
- AN
ADVANCED AIR
1 departures · 9 seats
Share of departures0.5%11.1%
Load
What plane flies AUS–IAD?
In May 2026, the Boeing 737-900ER flew 37% of AUS–IAD departures — more than any other aircraft type.
- Boeing 737-900ER
70 departures · 84.4% load
37.2% - Boeing 737 MAX 9
38 departures · 84.8% load
20.2% - Boeing 737-700
32 departures · 90.0% load
17.0% - Boeing 737-800
22 departures · 91.0% load
11.7% - Embraer E175
10 departures · 88.3% load
5.3% - Airbus A320
6 departures · 93.9% load
3.2% - Boeing 737 MAX 8
6 departures · 95.2% load
3.2% - Airbus A319
3 departures · 82.8% load
1.6% - Bombardier BD-100-1A10 Challenger 300
1 departures · 11.1% load
0.5%
How has AUS–IAD traffic changed?
Nonstop AUS–IAD departures fell from 234 in June 2025 to 188 in May 2026.
Monthly nonstop AUS–IAD traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
234 departures · 30,134 passengers
88.3%
Load
July 2025
202 departures · 24,189 passengers
84.0%
Load
August 2025
211 departures · 23,616 passengers
77.9%
Load
September 2025
223 departures · 25,875 passengers
75.7%
Load
October 2025
186 departures · 26,239 passengers
86.8%
Load
November 2025
179 departures · 22,375 passengers
82.5%
Load
December 2025
186 departures · 21,555 passengers
84.0%
Load
January 2026
151 departures · 16,354 passengers
75.6%
Load
February 2026
154 departures · 18,216 passengers
76.5%
Load
March 2026
187 departures · 23,824 passengers
83.9%
Load
April 2026
181 departures · 24,817 passengers
82.6%
Load
May 2026
188 departures · 26,207 passengers
86.8%
Load
By direction
Each direction is filed separately — they rarely match.
AUS → IAD
88.4% full
95 departures · 13,498 passengers
IAD → AUS
85.2% full
93 departures · 12,709 passengers
Nonstop AUS–IAD 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
Frequently asked
How far is Austin (AUS) from Dulles (IAD)?
AUS to IAD is 1,295 miles (2,084 km / 1,125 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from AUS to IAD?
A nonstop covers the 1,295-mile great-circle distance in roughly 3h 23m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies AUS–IAD?
In May 2026, the Boeing 737-900ER flew the largest share of departures (37.2%), followed by the Boeing 737 MAX 9 (20.2%).
What mileage do I earn flying AUS–IAD?
Distance-based programs credit off the 1,295-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
Keep exploring
Every route below is its own page.
Popular long-haul routes