Houston (IAH) to Narita (NRT)
Flight time
≈ 14h 04m
Bearing
318° NW
Houston (IAH) to Narita (NRT) is 6,629 miles (10,669 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAH–NRT
US DOT T-100 · filed dataIn April 2026, United Airlines operated the most departures, one of 2 carriers flying nonstop IAH–NRT; the Boeing 787-9 was the most common aircraft at 73% of departures; flights ran 88% full.
Departures
82
April 2026
Seats
21,800
both directions
Passengers
19,253
both directions
Load factor
88.3%
passengers ÷ seats
Who flies IAH–NRT?
United Airlines operated the most nonstop IAH–NRT departures in April 2026 (60), one of 2 carriers on the route.
- UA
United Airlines
60 departures · 15,420 seats
Share of departures73.2%90.7%
Load
- ZG
ZIPAIR Tokyo
22 departures · 6,380 seats
Share of departures26.8%82.6%
Load
What plane flies IAH–NRT?
In April 2026, the Boeing 787-9 flew 73% of IAH–NRT departures — more than any other aircraft type.
- Boeing 787-9
60 departures · 90.7% load
73.2% - Boeing 787-8
22 departures · 82.6% load
26.8%
How has IAH–NRT traffic changed?
Nonstop IAH–NRT departures fell from 98 in May 2025 to 82 in April 2026.
Monthly nonstop IAH–NRT traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
98 departures · 21,104 passengers
79.7%
Load
June 2025
93 departures · 22,006 passengers
87.9%
Load
July 2025
94 departures · 21,499 passengers
85.0%
Load
August 2025
98 departures · 20,026 passengers
75.9%
Load
September 2025
93 departures · 16,097 passengers
64.3%
Load
October 2025
96 departures · 19,119 passengers
73.9%
Load
November 2025
91 departures · 17,531 passengers
71.7%
Load
December 2025
96 departures · 19,979 passengers
77.5%
Load
January 2026
87 departures · 18,583 passengers
80.0%
Load
February 2026
80 departures · 15,864 passengers
74.3%
Load
March 2026
92 departures · 23,158 passengers
94.0%
Load
April 2026
82 departures · 19,253 passengers
88.3%
Load
By direction
The DOT files each direction separately — they rarely match.
IAH → NRT
81.4% full
41 departures · 8,875 passengers
NRT → IAH
95.2% full
41 departures · 10,378 passengers
Nonstop IAH–NRT 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
Narita
JP
Narita International Airport
Coordinates
35.77°N, 140.39°E
Hemisphere
N · E
Frequently asked
How far is Houston (IAH) from Narita (NRT)?
IAH to NRT is 6,629 miles (10,669 km / 5,761 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAH to NRT?
A nonstop covers the 6,629-mile great-circle distance in roughly 14h 04m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAH–NRT?
In April 2026, the Boeing 787-9 flew the largest share of departures (73.2%), followed by the Boeing 787-8 (26.8%).
What mileage do I earn flying IAH–NRT?
Distance-based programs credit off the 6,629-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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