Dallas-Fort Worth (DFW) to Houston (IAH)

225mi
362 km195 nm

Flight time

≈ 1h 15m

Bearing

153° SE

Dallas-Fort Worth (DFW) to Houston (IAH) is 225 miles (362 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: DFW → IAHDFWIAH

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What actually flies DFW–IAH

Filed traffic data

In July 2026, American Airlines operated the most departures, one of 5 carriers flying nonstop DFW–IAH; the Airbus A319 was the most common aircraft at 22% of departures; flights ran 78% full.

Departures

1,036

July 2026

Seats

145,280

both directions

Passengers

112,939

both directions

Load factor

77.7%

RPM ÷ ASM

Who flies DFW–IAH?

American Airlines operated the most nonstop DFW–IAH departures in July 2026 (427), one of 5 carriers on the route.

  • AA

    American Airlines

    427 departures · 73,064 seats

    77.1%

    Load

  • UA

    United Airlines

    378 departures · 55,302 seats

    75.1%

    Load

  • MQ

    Envoy Air

    111 departures · 8,414 seats

    92.8%

    Load

  • YV

    Mesa Airlines

    72 departures · 5,292 seats

    88.6%

    Load

  • OO

    SkyWest Airlines

    48 departures · 3,208 seats

    80.7%

    Load

What plane flies DFW–IAH?

In July 2026, the Airbus A319 flew 22% of DFW–IAH departures — more than any other aircraft type.

How has DFW–IAH traffic changed?

Nonstop DFW–IAH departures fell from 1,070 in August 2025 to 1,036 in July 2026.

Monthly nonstop DFW–IAH traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • August 2025

    1,070 departures · 109,742 passengers

    74.4%

    Load

  • September 2025

    1,018 departures · 102,979 passengers

    72.5%

    Load

  • October 2025

    1,065 departures · 114,678 passengers

    75.8%

    Load

  • November 2025

    983 departures · 98,880 passengers

    67.7%

    Load

  • December 2025

    1,064 departures · 110,668 passengers

    74.1%

    Load

  • January 2026

    917 departures · 87,647 passengers

    68.3%

    Load

  • February 2026

    853 departures · 89,471 passengers

    74.6%

    Load

  • March 2026

    1,024 departures · 101,430 passengers

    72.6%

    Load

  • April 2026

    1,066 departures · 101,966 passengers

    67.3%

    Load

  • May 2026

    1,086 departures · 116,233 passengers

    74.8%

    Load

  • June 2026

    999 departures · 110,899 passengers

    79.2%

    Load

  • July 2026

    1,036 departures · 112,939 passengers

    77.7%

    Load

By direction

Each direction is filed separately — they rarely match.

IAH → DFW

79.3% full

520 departures · 56,945 passengers

DFW → IAH

76.3% full

516 departures · 55,994 passengers

Nonstop DFW–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

DFW

Dallas-Fort Worth

US

Dallas Fort Worth International Airport

Coordinates

32.90°N, 97.04°W

Hemisphere

N · W

IAH

Houston

US

George Bush Intercontinental Airport

Coordinates

29.98°N, 95.34°W

Hemisphere

N · W

Frequently asked

How far is Dallas-Fort Worth (DFW) from Houston (IAH)?

DFW to IAH is 225 miles (362 km / 195 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from DFW to IAH?

A nonstop covers the 225-mile great-circle distance in roughly 1h 15m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies DFW–IAH?

In July 2026, the Airbus A319 flew the largest share of departures (21.6%), followed by the Boeing 737-800 (21.4%).

What mileage do I earn flying DFW–IAH?

Distance-based programs credit off the 225-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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