Houston (IAH) to Port of Spain (POS)
Flight time
≈ 5h 56m
Bearing
114° SE
Houston (IAH) to Port of Spain (POS) is 2,563 miles (4,124 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAH–POS
Filed traffic dataIn July 2026, United Airlines was the only carrier flying nonstop IAH–POS; the Boeing 737 MAX 9 was the most common aircraft at 100% of departures; flights ran 74% full.
Departures
62
July 2026
Seats
11,098
both directions
Passengers
8,187
both directions
Load factor
73.8%
RPM ÷ ASM
Who flies IAH–POS?
United Airlines was the only carrier to fly nonstop IAH–POS in July 2026 (62 departures).
- UA
62 departures · 11,098 seats
Share of departures100.0%73.8%
Load
What plane flies IAH–POS?
In July 2026, the Boeing 737 MAX 9 flew 100% of IAH–POS departures.
- Boeing 737 MAX 9
62 departures · 73.8% load
100.0%
How has IAH–POS traffic changed?
Nonstop IAH–POS departures held steady at about 62 a month between August 2025 and July 2026.
Monthly nonstop IAH–POS traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
62 departures · 8,784 passengers
85.4%
Load
September 2025
60 departures · 6,582 passengers
66.1%
Load
October 2025
62 departures · 5,590 passengers
54.3%
Load
November 2025
60 departures · 5,162 passengers
51.8%
Load
December 2025
62 departures · 7,990 passengers
77.4%
Load
January 2026
48 departures · 5,408 passengers
67.9%
Load
February 2026
52 departures · 5,763 passengers
66.6%
Load
March 2026
60 departures · 6,159 passengers
61.8%
Load
April 2026
60 departures · 7,488 passengers
75.0%
Load
May 2026
62 departures · 6,853 passengers
64.4%
Load
June 2026
60 departures · 7,037 passengers
65.5%
Load
July 2026
62 departures · 8,187 passengers
73.8%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → POS
64.8% full
31 departures · 3,595 passengers
POS → IAH
82.8% full
31 departures · 4,592 passengers
Nonstop IAH–POS 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
Port of Spain
TT
Piarco International Airport
Coordinates
10.60°N, 61.34°W
Hemisphere
N · W
Frequently asked
How far is Houston (IAH) from Port of Spain (POS)?
IAH to POS is 2,563 miles (4,124 km / 2,227 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAH to POS?
A nonstop covers the 2,563-mile great-circle distance in roughly 5h 56m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAH–POS?
In July 2026, the Boeing 737 MAX 9 flew the largest share of departures (100.0%).
What mileage do I earn flying IAH–POS?
Distance-based programs credit off the 2,563-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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