Guadalajara (GDL) to Houston (IAH)

821mi
1,321 km714 nm

Flight time

≈ 2h 27m

Bearing

36° NE

Guadalajara (GDL) to Houston (IAH) is 821 miles (1,321 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: GDL → IAHGDLIAH

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What actually flies GDLIAH

Filed traffic data

In May 2026, Mesa Airlines operated the most departures, one of 4 carriers flying nonstop GDL–IAH; the Embraer E175 was the most common aircraft at 41% of departures; flights ran 80% full.

Departures

249

May 2026

Seats

33,730

both directions

Passengers

26,841

both directions

Load factor

79.6%

RPM ÷ ASM

Who flies GDL–IAH?

Mesa Airlines operated the most nonstop GDL–IAH departures in May 2026 (103), one of 4 carriers on the route.

  • YV

    Mesa Airlines

    103 departures · 7,768 seats

    86.1%

    Load

  • UA

    United Airlines

    83 departures · 11,378 seats

    79.3%

    Load

  • Y4

    Volaris

    62 departures · 14,412 seats

    76.1%

    Load

  • AA

    American Airlines

    1 departures · 172 seats

    91.3%

    Load

What plane flies GDL–IAH?

In May 2026, the Embraer E175 flew 41% of GDL–IAH departures — more than any other aircraft type.

How has GDL–IAH traffic changed?

Nonstop GDL–IAH departures fell from 361 in June 2025 to 249 in May 2026.

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

  • June 2025

    361 departures · 43,791 passengers

    73.2%

    Load

  • July 2025

    293 departures · 39,000 passengers

    85.7%

    Load

  • August 2025

    281 departures · 33,232 passengers

    77.3%

    Load

  • September 2025

    266 departures · 25,551 passengers

    77.5%

    Load

  • October 2025

    273 departures · 28,859 passengers

    84.0%

    Load

  • November 2025

    266 departures · 30,717 passengers

    79.1%

    Load

  • December 2025

    381 departures · 43,798 passengers

    73.7%

    Load

  • January 2026

    254 departures · 32,706 passengers

    78.8%

    Load

  • February 2026

    182 departures · 21,590 passengers

    71.4%

    Load

  • March 2026

    219 departures · 24,822 passengers

    68.8%

    Load

  • April 2026

    253 departures · 23,973 passengers

    73.7%

    Load

  • May 2026

    249 departures · 26,841 passengers

    79.6%

    Load

By direction

Each direction is filed separately — they rarely match.

GDLIAH

75.4% full

125 departures · 12,750 passengers

IAHGDL

83.8% full

124 departures · 14,091 passengers

Nonstop GDL–IAH 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

GDL

Guadalajara

MX

Guadalajara International Airport

Coordinates

20.52°N, 103.31°W

Hemisphere

N · W

IAH

US

George Bush Intercontinental Airport

Coordinates

29.98°N, 95.34°W

Hemisphere

N · W

Frequently asked

How far is Guadalajara (GDL) from Houston (IAH)?

GDL to IAH is 821 miles (1,321 km / 714 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from GDL to IAH?

A nonstop covers the 821-mile great-circle distance in roughly 2h 27m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies GDL–IAH?

In May 2026, the Embraer E175 flew the largest share of departures (41.4%), followed by the Boeing 737-700 (24.1%).

What mileage do I earn flying GDL–IAH?

Distance-based programs credit off the 821-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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