Houston (IAH) to New York (LGA)

1,415mi
2,277 km1,230 nm

Flight time

≈ 3h 38m

Bearing

52° NE

Houston (IAH) to New York (LGA) is 1,415 miles (2,277 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: IAH → LGAIAHLGA

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What actually flies IAHLGA

Filed traffic data

In May 2026, United Airlines operated the most departures, one of 3 carriers flying nonstop IAH–LGA; the Boeing 737-800 was the most common aircraft at 53% of departures; flights ran 86% full.

Departures

680

May 2026

Seats

104,046

both directions

Passengers

89,497

both directions

Load factor

86.0%

RPM ÷ ASM

Who flies IAH–LGA?

United Airlines operated the most nonstop IAH–LGA departures in May 2026 (447), one of 3 carriers on the route.

  • UA

    United Airlines

    447 departures · 74,228 seats

    86.0%

    Load

  • DL

    Delta Air Lines

    232 departures · 29,632 seats

    86.6%

    Load

  • NK

    Spirit Airlines

    1 departures · 186 seats

    0.0%

    Load

What plane flies IAH–LGA?

In May 2026, the Boeing 737-800 flew 53% of IAH–LGA departures — more than any other aircraft type.

How has IAH–LGA traffic changed?

Nonstop IAH–LGA departures fell from 695 in June 2025 to 680 in May 2026.

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

  • June 2025

    695 departures · 99,066 passengers

    91.0%

    Load

  • July 2025

    729 departures · 103,160 passengers

    89.7%

    Load

  • August 2025

    746 departures · 102,012 passengers

    86.5%

    Load

  • September 2025

    737 departures · 92,559 passengers

    78.9%

    Load

  • October 2025

    733 departures · 98,499 passengers

    84.5%

    Load

  • November 2025

    698 departures · 90,286 passengers

    81.9%

    Load

  • December 2025

    667 departures · 92,003 passengers

    89.4%

    Load

  • January 2026

    684 departures · 71,806 passengers

    79.4%

    Load

  • February 2026

    626 departures · 64,954 passengers

    80.6%

    Load

  • March 2026

    668 departures · 75,902 passengers

    85.8%

    Load

  • April 2026

    723 departures · 91,700 passengers

    81.3%

    Load

  • May 2026

    680 departures · 89,497 passengers

    86.0%

    Load

By direction

Each direction is filed separately — they rarely match.

LGAIAH

83.7% full

342 departures · 43,807 passengers

IAHLGA

88.3% full

338 departures · 45,690 passengers

Nonstop IAH–LGA 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

IAH

US

George Bush Intercontinental Airport

Coordinates

29.98°N, 95.34°W

Hemisphere

N · W

LGA

US

LaGuardia Airport

Coordinates

40.78°N, 73.87°W

Hemisphere

N · W

Frequently asked

How far is Houston (IAH) from New York (LGA)?

IAH to LGA is 1,415 miles (2,277 km / 1,230 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from IAH to LGA?

A nonstop covers the 1,415-mile great-circle distance in roughly 3h 38m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies IAH–LGA?

In May 2026, the Boeing 737-800 flew the largest share of departures (52.9%), followed by the Airbus A220-300 (30.4%).

What mileage do I earn flying IAH–LGA?

Distance-based programs credit off the 1,415-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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