Austin (AUS) to Houston (IAH)
Flight time
≈ 1h 05m
Bearing
95° E
Austin (AUS) to Houston (IAH) is 140 miles (225 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies AUS–IAH
Filed traffic dataIn June 2026, United Airlines operated the most departures, one of 5 carriers flying nonstop AUS–IAH; the Airbus A320 was the most common aircraft at 32% of departures; flights ran 78% full.
Departures
493
June 2026
Seats
71,159
both directions
Passengers
55,830
both directions
Load factor
78.5%
RPM ÷ ASM
Who flies AUS–IAH?
United Airlines operated the most nonstop AUS–IAH departures in June 2026 (412), one of 5 carriers on the route.
- UA
412 departures · 64,975 seats
Share of departures83.6%78.0%
Load
- YV
74 departures · 5,276 seats
Share of departures15.0%83.3%
Load
- DL
5 departures · 680 seats
Share of departures1.0%83.5%
Load
- AS
1 departures · 178 seats
Share of departures0.2%95.5%
Load
- OO
1 departures · 50 seats
Share of departures0.2%0.0%
Load
What plane flies AUS–IAH?
In June 2026, the Airbus A320 flew 32% of AUS–IAH departures — more than any other aircraft type.
- Airbus A320
156 departures · 78.6% load
31.6% - Embraer E175
74 departures · 83.3% load
15.0% - Boeing 737 MAX 8
61 departures · 87.7% load
12.4% - Boeing 737-900ER
59 departures · 79.3% load
12.0% - Boeing 737-800
58 departures · 76.4% load
11.8% - Airbus A319
54 departures · 64.9% load
10.9% - Boeing 737 MAX 9
15 departures · 73.5% load
3.0% - Airbus A321neo
7 departures · 69.7% load
1.4% - Airbus A220-300
4 departures · 79.4% load
0.8% - Boeing 737-900
4 departures · 93.2% load
0.8% - Bombardier CRJ-200
1 departures · 0.0% load
0.2%
How has AUS–IAH traffic changed?
Nonstop AUS–IAH departures rose from 490 in July 2025 to 493 in June 2026.
Monthly nonstop AUS–IAH traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
490 departures · 46,366 passengers
79.9%
Load
August 2025
488 departures · 44,797 passengers
71.0%
Load
September 2025
476 departures · 50,231 passengers
70.9%
Load
October 2025
491 departures · 57,763 passengers
76.6%
Load
November 2025
459 departures · 49,423 passengers
74.1%
Load
December 2025
491 departures · 53,323 passengers
76.0%
Load
January 2026
478 departures · 47,369 passengers
68.0%
Load
February 2026
443 departures · 47,926 passengers
72.1%
Load
March 2026
496 departures · 54,950 passengers
73.7%
Load
April 2026
480 departures · 49,964 passengers
68.6%
Load
May 2026
491 departures · 55,005 passengers
74.3%
Load
June 2026
493 departures · 55,830 passengers
78.5%
Load
By direction
Each direction is filed separately — they rarely match.
AUS → IAH
79.5% full
256 departures · 29,350 passengers
IAH → AUS
77.3% full
237 departures · 26,480 passengers
Nonstop AUS–IAH 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 Houston (IAH)?
AUS to IAH is 140 miles (225 km / 121 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from AUS to IAH?
A nonstop covers the 140-mile great-circle distance in roughly 1h 05m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies AUS–IAH?
In June 2026, the Airbus A320 flew the largest share of departures (31.6%), followed by the Embraer E175 (15.0%).
What mileage do I earn flying AUS–IAH?
Distance-based programs credit off the 140-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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