Where Horizon Air flies

Horizon Air filed 101,928 departures in the twelve months through June 2026, led by Seattle, across 15 of its busiest city pairs.

Filed traffic data

Departures

101,928

June 2026

Seats flown

7,746,528

Passengers

6.2M

Load factor

81.5%

RPM ÷ ASM

Busiest Horizon Air airports

Where Horizon Air operates the most departures — its hubs and focus cities.

  • SEA

    Seattle

    21,789 departures · 1,655,964 seats flown

    21.4%

    Share

  • PDX

    Portland

    13,242 departures · 1,006,392 seats flown

    13.0%

    Share

  • BOI

    Boise

    5,367 departures · 407,892 seats flown

    5.3%

    Share

  • SAN

    San Diego

    5,087 departures · 386,612 seats flown

    5.0%

    Share

  • LAX

    Los Angeles

    4,611 departures · 350,436 seats flown

    4.5%

    Share

  • GEG

    Spokane

    3,599 departures · 273,524 seats flown

    3.5%

    Share

  • SFO

    San Francisco

    3,095 departures · 235,220 seats flown

    3.0%

    Share

  • ANC

    Anchorage

    3,085 departures · 234,460 seats flown

    3.0%

    Share

Busiest Horizon Air routes

The city pairs Horizon Air flies most, ranked by filed departures.

  • PDXSEA

    3,520 departures · 226,429 passengers

    84.6%

    Load

  • SEAYVR

    3,087 departures · 189,519 passengers

    80.8%

    Load

  • BOISEA

    2,946 departures · 193,855 passengers

    86.6%

    Load

  • GEGSEA

    2,236 departures · 147,768 passengers

    87.0%

    Load

  • FCASEA

    2,100 departures · 134,182 passengers

    84.1%

    Load

  • ANCFAI

    2,063 departures · 121,771 passengers

    77.7%

    Load

  • PUWSEA

    2,063 departures · 122,333 passengers

    78.0%

    Load

  • MFRSEA

    2,026 departures · 122,444 passengers

    79.5%

    Load

  • MFRPDX

    1,976 departures · 112,354 passengers

    74.8%

    Load

  • BOIGEG

    1,965 departures · 99,942 passengers

    66.9%

    Load

  • PDXSJC

    1,850 departures · 119,196 passengers

    84.8%

    Load

  • BILSEA

    1,784 departures · 114,499 passengers

    84.5%

    Load

  • PSCSEA

    1,732 departures · 111,270 passengers

    84.5%

    Load

  • LAXSFO

    1,599 departures · 110,433 passengers

    90.9%

    Load

  • RDMSEA

    1,598 departures · 97,854 passengers

    80.6%

    Load

What Horizon Air flies

Aircraft types by share of departures — what actually operated, not fleet count.

Monthly Horizon Air capacity

Monthly Horizon Air departures, trailing 12 months through June 2026. Bars scale to the busiest month.

  • July 2025

    9,279 departures · 591,377 passengers

    85.7%

    Load

  • August 2025

    9,513 departures · 604,024 passengers

    85.6%

    Load

  • September 2025

    8,671 departures · 530,097 passengers

    82.4%

    Load

  • October 2025

    8,550 departures · 527,218 passengers

    81.9%

    Load

  • November 2025

    8,278 departures · 488,222 passengers

    78.3%

    Load

  • December 2025

    8,972 departures · 549,004 passengers

    81.3%

    Load

  • January 2026

    7,908 departures · 459,242 passengers

    76.6%

    Load

  • February 2026

    7,069 departures · 425,953 passengers

    79.8%

    Load

  • March 2026

    8,010 departures · 487,358 passengers

    81.0%

    Load

  • April 2026

    8,002 departures · 473,055 passengers

    79.3%

    Load

  • May 2026

    8,720 departures · 535,231 passengers

    81.6%

    Load

  • June 2026

    8,956 departures · 558,818 passengers

    83.4%

    Load

Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through June 2026.