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 July 2026, United Airlines operated the most departures, one of 3 carriers flying nonstop AUS–IAD; the Boeing 737-700 was the most common aircraft at 31% of departures; flights ran 88% full.
Departures
199
July 2026
Seats
28,574
both directions
Passengers
25,256
both directions
Load factor
88.4%
RPM ÷ ASM
Who flies AUS–IAD?
United Airlines operated the most nonstop AUS–IAD departures in July 2026 (159), one of 3 carriers on the route.
- UA
159 departures · 23,978 seats
Share of departures79.9%87.8%
Load
- YV
24 departures · 1,716 seats
Share of departures12.1%85.1%
Load
- G4
16 departures · 2,880 seats
Share of departures8.0%95.0%
Load
What plane flies AUS–IAD?
In July 2026, the Boeing 737-700 flew 31% of AUS–IAD departures — more than any other aircraft type.
- Boeing 737-700
62 departures · 93.2% load
31.2% - Boeing 737-800
59 departures · 89.8% load
29.6% - Boeing 737 MAX 8
29 departures · 83.8% load
14.6% - Embraer E175
24 departures · 85.1% load
12.1% - Airbus A320
16 departures · 95.0% load
8.0% - Boeing 737-900ER
6 departures · 53.7% load
3.0% - Boeing 737 MAX 9
2 departures · 74.0% load
1.0% - Airbus A319
1 departures · 90.5% load
0.5%
How has AUS–IAD traffic changed?
Nonstop AUS–IAD departures fell from 211 in August 2025 to 199 in July 2026.
Monthly nonstop AUS–IAD traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
July 2026
199 departures · 25,256 passengers
88.4%
Load
By direction
Each direction is filed separately — they rarely match.
AUS → IAD
87.9% full
100 departures · 12,620 passengers
IAD → AUS
88.8% full
99 departures · 12,636 passengers
Nonstop AUS–IAD 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 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 July 2026, the Boeing 737-700 flew the largest share of departures (31.2%), followed by the Boeing 737-800 (29.6%).
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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