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 May 2026, United Airlines was the only carrier flying nonstop IAH–LIR; the Boeing 737 MAX 9 was the most common aircraft at 52% of departures; flights ran 80% full.
Departures
134
May 2026
Seats
23,440
both directions
Passengers
18,773
both directions
Load factor
80.1%
RPM ÷ ASM
Who flies IAH–LIR?
United Airlines was the only carrier to fly nonstop IAH–LIR in May 2026 (134 departures).
- UA
134 departures · 23,440 seats
Share of departures100.0%80.1%
Load
What plane flies IAH–LIR?
In May 2026, the Boeing 737 MAX 9 flew 52% of IAH–LIR departures — more than any other aircraft type.
- Boeing 737 MAX 9
70 departures · 82.5% load
52.2% - Boeing 737-800
35 departures · 74.0% load
26.1% - Boeing 737-900ER
22 departures · 82.7% load
16.4% - Boeing 737 MAX 8
7 departures · 75.1% load
5.2%
How has IAH–LIR traffic changed?
Nonstop IAH–LIR departures fell from 177 in June 2025 to 134 in May 2026.
Monthly nonstop IAH–LIR traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
177 departures · 25,771 passengers
85.1%
Load
July 2025
186 departures · 25,241 passengers
79.6%
Load
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
By direction
Each direction is filed separately — they rarely match.
IAH → LIR
84.3% full
67 departures · 9,883 passengers
LIR → IAH
75.8% full
67 departures · 8,890 passengers
Nonstop IAH–LIR traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 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 May 2026, the Boeing 737 MAX 9 flew the largest share of departures (52.2%), followed by the Boeing 737-800 (26.1%).
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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