Houston (IAH) to Liberia (LIR)
Flight time
≈ 3h 46m
Bearing
153° SE
Houston (IAH) to Liberia (LIR) is 1,481 miles (2,383 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAH–LIR
Filed traffic dataIn July 2026, United Airlines was the only carrier flying nonstop IAH–LIR; the Boeing 737-900ER was the most common aircraft at 37% of departures; flights ran 89% full.
Departures
186
July 2026
Seats
32,566
both directions
Passengers
28,976
both directions
Load factor
89.0%
RPM ÷ ASM
Who flies IAH–LIR?
United Airlines was the only carrier to fly nonstop IAH–LIR in July 2026 (186 departures).
- UA
186 departures · 32,566 seats
Share of departures100.0%89.0%
Load
What plane flies IAH–LIR?
In July 2026, the Boeing 737-900ER flew 37% of IAH–LIR departures — more than any other aircraft type.
- Boeing 737-900ER
68 departures · 94.1% load
36.6% - Boeing 737 MAX 9
62 departures · 84.6% load
33.3% - Boeing 737-800
53 departures · 87.9% load
28.5% - Boeing 737 MAX 8
3 departures · 80.3% load
1.6%
How has IAH–LIR traffic changed?
Nonstop IAH–LIR departures rose from 134 in August 2025 to 186 in July 2026.
Monthly nonstop IAH–LIR traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
134 departures · 16,341 passengers
70.9%
Load
September 2025
61 departures · 8,067 passengers
73.9%
Load
October 2025
72 departures · 9,324 passengers
73.2%
Load
November 2025
120 departures · 14,023 passengers
68.2%
Load
December 2025
153 departures · 19,796 passengers
74.4%
Load
January 2026
134 departures · 17,534 passengers
75.6%
Load
February 2026
110 departures · 14,901 passengers
78.5%
Load
March 2026
160 departures · 23,309 passengers
84.0%
Load
April 2026
102 departures · 14,019 passengers
78.9%
Load
May 2026
134 departures · 18,773 passengers
80.1%
Load
June 2026
181 departures · 26,843 passengers
84.4%
Load
July 2026
186 departures · 28,976 passengers
89.0%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → LIR
87.0% full
93 departures · 14,158 passengers
LIR → IAH
91.0% full
93 departures · 14,818 passengers
Nonstop IAH–LIR 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
Liberia
CR
Daniel Oduber Quirós International Airport
Coordinates
10.59°N, 85.54°W
Hemisphere
N · W
Frequently asked
How far is Houston (IAH) from Liberia (LIR)?
IAH to LIR is 1,481 miles (2,383 km / 1,287 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAH to LIR?
A nonstop covers the 1,481-mile great-circle distance in roughly 3h 46m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAH–LIR?
In July 2026, the Boeing 737-900ER flew the largest share of departures (36.6%), followed by the Boeing 737 MAX 9 (33.3%).
What mileage do I earn flying IAH–LIR?
Distance-based programs credit off the 1,481-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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