Boston (BOS) to Houston (IAH)
Flight time
≈ 3h 59m
Bearing
246° SW
Boston (BOS) to Houston (IAH) is 1,595 miles (2,567 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–IAH
Filed traffic dataIn July 2026, United Airlines operated the most departures, one of 3 carriers flying nonstop BOS–IAH; the Airbus A220-300 was the most common aircraft at 27% of departures; flights ran 91% full.
Departures
402
July 2026
Seats
64,171
both directions
Passengers
58,676
both directions
Load factor
91.4%
RPM ÷ ASM
Who flies BOS–IAH?
United Airlines operated the most nonstop BOS–IAH departures in July 2026 (293), one of 3 carriers on the route.
- UA
293 departures · 48,861 seats
Share of departures72.9%92.0%
Load
- B6
108 departures · 15,120 seats
Share of departures26.9%90.3%
Load
- AA
1 departures · 190 seats
Share of departures0.2%36.8%
Load
What plane flies BOS–IAH?
In July 2026, the Airbus A220-300 flew 27% of BOS–IAH departures — more than any other aircraft type.
- Airbus A220-300
108 departures · 90.3% load
26.9% - Boeing 737-900ER
92 departures · 92.9% load
22.9% - Boeing 737 MAX 9
79 departures · 90.8% load
19.7% - Boeing 737-700
48 departures · 89.7% load
11.9% - Boeing 737-800
38 departures · 94.3% load
9.4% - Boeing 737 MAX 8
34 departures · 91.8% load
8.5% - Airbus A319
2 departures · 96.8% load
0.5% - Airbus A321neo
1 departures · 36.8% load
0.3%
How has BOS–IAH traffic changed?
Nonstop BOS–IAH departures rose from 389 in August 2025 to 402 in July 2026.
Monthly nonstop BOS–IAH traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
389 departures · 56,044 passengers
88.3%
Load
September 2025
313 departures · 44,308 passengers
85.1%
Load
October 2025
380 departures · 56,104 passengers
88.6%
Load
November 2025
376 departures · 48,629 passengers
79.9%
Load
December 2025
350 departures · 46,539 passengers
84.4%
Load
January 2026
220 departures · 32,387 passengers
87.9%
Load
February 2026
225 departures · 32,865 passengers
87.0%
Load
March 2026
296 departures · 42,394 passengers
86.3%
Load
April 2026
302 departures · 43,116 passengers
83.9%
Load
May 2026
358 departures · 50,518 passengers
85.4%
Load
June 2026
374 departures · 51,912 passengers
86.4%
Load
July 2026
402 departures · 58,676 passengers
91.4%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → BOS
90.6% full
202 departures · 29,436 passengers
BOS → IAH
92.3% full
200 departures · 29,240 passengers
Nonstop BOS–IAH 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
Frequently asked
How far is Boston (BOS) from Houston (IAH)?
BOS to IAH is 1,595 miles (2,567 km / 1,386 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to IAH?
A nonstop covers the 1,595-mile great-circle distance in roughly 3h 59m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–IAH?
In July 2026, the Airbus A220-300 flew the largest share of departures (26.9%), followed by the Boeing 737-900ER (22.9%).
What mileage do I earn flying BOS–IAH?
Distance-based programs credit off the 1,595-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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