Houston (HOU) to Harlingen (HRL)
Flight time
≈ 1h 21m
Bearing
212° SW
Houston (HOU) to Harlingen (HRL) is 277 miles (446 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies HOU–HRL
US DOT T-100 · filed dataIn April 2026, Southwest Airlines was the only carrier flying nonstop HOU–HRL; the Boeing 737-700 was the most common aircraft at 57% of departures; flights ran 83% full.
Departures
172
April 2026
Seats
26,376
both directions
Passengers
21,837
both directions
Load factor
82.8%
passengers ÷ seats
Who flies HOU–HRL?
Southwest Airlines was the only carrier to fly nonstop HOU–HRL in April 2026 (172 departures).
- WN
Southwest Airlines
172 departures · 26,376 seats
Share of departures100.0%82.8%
Load
What plane flies HOU–HRL?
In April 2026, the Boeing 737-700 flew 57% of HOU–HRL departures — more than any other aircraft type.
- Boeing 737-700
98 departures · 87.5% load
57.0% - Boeing 737 MAX 8
49 departures · 76.1% load
28.5% - Boeing 737-800
25 departures · 81.5% load
14.5%
How has HOU–HRL traffic changed?
Nonstop HOU–HRL departures fell from 218 in May 2025 to 172 in April 2026.
Monthly nonstop HOU–HRL traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
218 departures · 26,797 passengers
76.7%
Load
June 2025
218 departures · 29,973 passengers
85.5%
Load
July 2025
231 departures · 34,017 passengers
92.5%
Load
August 2025
225 departures · 29,092 passengers
82.1%
Load
September 2025
226 departures · 27,811 passengers
78.7%
Load
October 2025
237 departures · 30,524 passengers
82.5%
Load
November 2025
210 departures · 25,181 passengers
79.4%
Load
December 2025
213 departures · 26,763 passengers
82.2%
Load
January 2026
184 departures · 19,551 passengers
71.8%
Load
February 2026
176 departures · 21,205 passengers
81.9%
Load
March 2026
180 departures · 22,751 passengers
82.5%
Load
April 2026
172 departures · 21,837 passengers
82.8%
Load
By direction
The DOT files each direction separately — they rarely match.
HOU → HRL
78.2% full
86 departures · 10,518 passengers
HRL → HOU
87.6% full
86 departures · 11,319 passengers
Nonstop HOU–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 Houston (HOU) from Harlingen (HRL)?
HOU to HRL is 277 miles (446 km / 241 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from HOU to HRL?
A nonstop covers the 277-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 HOU–HRL?
In April 2026, the Boeing 737-700 flew the largest share of departures (57.0%), followed by the Boeing 737 MAX 8 (28.5%).
What mileage do I earn flying HOU–HRL?
Distance-based programs credit off the 277-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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