Horizon Air

QX · QXE

Horizon Air carries about 6.2M passengers a year on 47 aircraft. Its busiest airport is Seattle.

Passengers flown a year

6.2M

47

aircraft

65

nonstop destinations

2

countries served

6.3 yr

average fleet age

81.7%

load factor

SEAPDXBOILAXSANGEGANCSFO
Horizon Air's network — arcs fan from all 8 hubs, sized by departures. Filed traffic, 12 months to May 2026.

Where Horizon Air flies

What Horizon Air actually flew — departures, seats, and passengers filed with the US DOT, the live complement to the fleet it owns.

Departures

101,877

12 months to May 2026

Seats flown

7,742,652

Passengers

6.2M

Load factor

81.7%

RPM ÷ ASM

Busiest Horizon Air routes

  • PDX–SEA

    10 flights a day · 235,739 passengers

    84.5%

    full

  • BOI–SEA

    8 flights a day · 195,152 passengers

    86.0%

    full

  • SEA–YVR

    8 flights a day · 177,464 passengers

    79.9%

    full

  • GEG–SEA

    6 flights a day · 143,712 passengers

    87.1%

    full

  • FCA–SEA

    6 flights a day · 135,075 passengers

    84.7%

    full

  • MFR–SEA

    6 flights a day · 129,451 passengers

    80.2%

    full

  • ANC–FAI

    6 flights a day · 129,078 passengers

    77.0%

    full

  • PUW–SEA

    6 flights a day · 123,202 passengers

    78.6%

    full

All Horizon Air routes, hubs & monthly capacity

Bars are seats added or cut; the figure is the percentage. Comparing June 2025May 2026 against June 2024May 2025. Routes the airline started or dropped mid-year are left out — a percentage between a partial year and a full one measures whether the route existed, not how its capacity changed.

The fleet

Horizon Air reports 47 airframes across 1 type, averaging 6.3 yr. Click through for every tail number, its delivery date and age.

In the filing
4747 in service · 0 stored
Average age
6.3 yrAcross 47 dated airframes
Types operated
1Largest: Embraer E175

100% regional · by aircraft

TypeCountAvg age
Embraer E175476.3 yr
Every Horizon Air tail number, delivery date & age

Frequently asked

How big is Horizon Air's fleet?

Horizon Air reports a fleet of about 47 aircraft across 1 type, with an average age of 6.3 yr.

How many passengers does Horizon Air carry a year?

Horizon Air carries about 6.2M passengers a year.

What is Horizon Air's biggest hub?

Horizon Air's busiest airport is Seattle.

How many destinations does Horizon Air fly to?

Horizon Air serves about 65 nonstop destinations in 2 countries.

Inventory: US DOT Form 41 Schedule B-43 (2025). Network: US DOT T-100 Segment, 12 months to May 2026. Registry status: FAA. Last refreshed Sep 1, 2026.