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.
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What actually flies AUS–IAD
Filed traffic dataIn June 2026, United Airlines operated the most departures, one of 5 carriers flying nonstop AUS–IAD; the Boeing 737-800 was the most common aircraft at 35% of departures; flights ran 90% full.
Departures
202
June 2026
Seats
29,447
both directions
Passengers
26,574
both directions
Load factor
90.2%
RPM ÷ ASM
Who flies AUS–IAD?
United Airlines operated the most nonstop AUS–IAD departures in June 2026 (158), one of 5 carriers on the route.
- UA
158 departures · 24,033 seats
Share of departures78.2%89.3%
Load
- YV
23 departures · 1,652 seats
Share of departures11.4%93.8%
Load
- G4
18 departures · 3,240 seats
Share of departures8.9%94.8%
Load
- WN
2 departures · 350 seats
Share of departures1.0%94.3%
Load
- AA
1 departures · 172 seats
Share of departures0.5%98.3%
Load
What plane flies AUS–IAD?
In June 2026, the Boeing 737-800 flew 35% of AUS–IAD departures — more than any other aircraft type.
- Boeing 737-800
70 departures · 91.3% load
34.6% - Boeing 737-700
62 departures · 92.6% load
30.7% - Embraer E175
23 departures · 93.8% load
11.4% - Boeing 737 MAX 9
22 departures · 79.7% load
10.9% - Airbus A320
18 departures · 94.8% load
8.9% - Boeing 737-900ER
3 departures · 75.4% load
1.5% - Boeing 737 MAX 8
3 departures · 85.0% load
1.5% - Airbus A319
1 departures · 100.0% load
0.5%
How has AUS–IAD traffic changed?
Nonstop AUS–IAD departures held steady at about 202 a month between July 2025 and June 2026.
Monthly nonstop AUS–IAD traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
June 2026
202 departures · 26,574 passengers
90.2%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → AUS
89.4% full
102 departures · 13,300 passengers
AUS → IAD
91.1% full
100 departures · 13,274 passengers
Nonstop AUS–IAD 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 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 June 2026, the Boeing 737-800 flew the largest share of departures (34.6%), followed by the Boeing 737-700 (30.7%).
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.
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