Austin (AUS) to Harlingen (HRL)
Flight time
≈ 1h 21m
Bearing
180° S
Austin (AUS) to Harlingen (HRL) is 274 miles (441 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies AUS–HRL
US DOT T-100 · filed dataIn April 2026, Southwest Airlines operated the most departures, one of 2 carriers flying nonstop AUS–HRL; the Boeing 737-700 was the most common aircraft at 73% of departures; flights ran 74% full.
Departures
111
April 2026
Seats
16,423
both directions
Passengers
12,144
both directions
Load factor
74.0%
passengers ÷ seats
Who flies AUS–HRL?
Southwest Airlines operated the most nonstop AUS–HRL departures in April 2026 (110), one of 2 carriers on the route.
- WN
Southwest Airlines
110 departures · 16,172 seats
Share of departures99.1%75.0%
Load
- 1BQ
Eastern Airlines
1 departures · 251 seats
Share of departures0.9%8.4%
Load
What plane flies AUS–HRL?
In April 2026, the Boeing 737-700 flew 73% of AUS–HRL departures — more than any other aircraft type.
- Boeing 737-700
81 departures · 79.1% load
73.0% - Boeing 737 MAX 8
20 departures · 66.3% load
18.0% - Boeing 737-800
9 departures · 64.9% load
8.1% - Boeing 767-300
1 departures · 8.4% load
0.9%
How has AUS–HRL traffic changed?
Nonstop AUS–HRL departures fell from 170 in May 2025 to 111 in April 2026.
Monthly nonstop AUS–HRL traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
170 departures · 15,623 passengers
73.5%
Load
June 2025
117 departures · 15,162 passengers
89.0%
Load
July 2025
108 departures · 15,769 passengers
94.7%
Load
August 2025
104 departures · 13,540 passengers
86.8%
Load
September 2025
104 departures · 12,751 passengers
82.5%
Load
October 2025
106 departures · 12,841 passengers
81.6%
Load
November 2025
110 departures · 13,643 passengers
81.5%
Load
December 2025
117 departures · 14,624 passengers
81.9%
Load
January 2026
112 departures · 10,786 passengers
62.2%
Load
February 2026
105 departures · 12,154 passengers
77.8%
Load
March 2026
109 departures · 13,339 passengers
83.5%
Load
April 2026
111 departures · 12,144 passengers
74.0%
Load
By direction
The DOT files each direction separately — they rarely match.
AUS → HRL
69.5% full
56 departures · 5,726 passengers
HRL → AUS
78.5% full
55 departures · 6,418 passengers
Nonstop AUS–HRL traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Austin (AUS) from Harlingen (HRL)?
AUS to HRL is 274 miles (441 km / 238 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from AUS to HRL?
A nonstop covers the 274-mile great-circle distance in roughly 1h 21m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies AUS–HRL?
In April 2026, the Boeing 737-700 flew the largest share of departures (73.0%), followed by the Boeing 737 MAX 8 (18.0%).
What mileage do I earn flying AUS–HRL?
Distance-based programs credit off the 274-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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