Where United Airlines flies

Busiest United Airlines airports

Where United Airlines operates the most departures — its hubs and focus cities.

• DEN

  Denver

  113,979 departures · 19,812,493 seats flown

  11.1%

  Share

• ORD

  Chicago

  108,049 departures · 18,822,319 seats flown

  10.6%

  Share

• IAH

  Houston

  100,806 departures · 17,149,337 seats flown

  9.8%

  Share

• EWR

  Newark

  91,685 departures · 16,804,116 seats flown

  9.0%

  Share

• SFO

  San Francisco

  75,592 departures · 14,696,071 seats flown

  7.4%

  Share

• IAD

  Dulles

  47,117 departures · 8,690,663 seats flown

  4.6%

  Share

• LAX

  Los Angeles

  34,316 departures · 6,798,551 seats flown

  3.4%

  Share

• LAS

  Las Vegas

  15,112 departures · 2,685,472 seats flown

  1.5%

  Share

Busiest United Airlines routes

The city pairs United Airlines flies most, ranked by filed departures.

• LGA–ORD

  8,961 departures · 1,271,104 passengers

  85.5%

  Load

• EWR–ORD

  8,389 departures · 1,344,885 passengers

  87.1%

  Load

• IAH–ORD

  7,826 departures · 1,216,095 passengers

  82.3%

  Load

• DEN–IAH

  7,696 departures · 1,369,128 passengers

  85.7%

  Load

• EWR–MCO

  7,695 departures · 1,158,840 passengers

  85.3%

  Load

• ORD–SFO

  7,391 departures · 1,414,573 passengers

  88.3%

  Load

• EWR–SFO

  7,299 departures · 1,541,905 passengers

  89.5%

  Load

• DEN–ORD

  7,265 departures · 1,352,437 passengers

  86.0%

  Load

• IAH–SFO

  7,156 departures · 1,211,091 passengers

  84.4%

  Load

• EWR–LAX

  6,893 departures · 1,374,390 passengers

  87.6%

  Load

• LAX–ORD

  6,791 departures · 1,187,788 passengers

  82.5%

  Load

• DEN–SFO

  6,744 departures · 1,171,697 passengers

  85.3%

  Load

• EWR–IAH

  6,732 departures · 1,025,387 passengers

  85.8%

  Load

• IAH–LAX

  6,714 departures · 1,089,670 passengers

  87.9%

  Load

• DCA–ORD

  6,637 departures · 658,523 passengers

  68.5%

  Load

What United Airlines flies

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

• Boeing 737-800

  157,914 departures · 80.2% load

  15.4%

  Share

• Boeing 737-900ER

  146,693 departures · 82.0% load

  14.3%

  Share

• Boeing 737 MAX 8

  143,752 departures · 80.8% load

  14.0%

  Share

• Boeing 737 MAX 9

  132,679 departures · 82.4% load

  13.0%

  Share

• Airbus A319

  94,021 departures · 81.2% load

  9.2%

  Share

• Airbus A320

  80,863 departures · 79.2% load

  7.9%

  Share

• Airbus A321neo

  55,270 departures · 84.7% load

  5.4%

  Share

• Boeing 737-700

  47,994 departures · 80.7% load

  4.7%

  Share

• Boeing 777-200

  36,841 departures · 82.8% load

  3.6%

  Share

• Boeing 757-200

  26,862 departures · 85.7% load

  2.6%

  Share

• Boeing 787-9

  21,504 departures · 82.7% load

  2.1%

  Share

• Boeing 767-300

  17,478 departures · 79.6% load

  1.7%

  Share

Monthly United Airlines capacity