Where United Airlines flies

Busiest United Airlines airports

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

• DEN

  Denver

  114,563 departures · 19,924,873 seats flown

  6.6%

  Share

• ORD

  Chicago

  109,326 departures · 19,052,594 seats flown

  6.3%

  Share

• IAH

  Houston

  100,877 departures · 17,179,656 seats flown

  5.8%

  Share

• EWR

  Newark

  92,521 departures · 16,942,546 seats flown

  5.4%

  Share

• SFO

  San Francisco

  76,225 departures · 14,803,284 seats flown

  4.4%

  Share

• IAD

  Dulles

  47,318 departures · 8,711,540 seats flown

  2.7%

  Share

• LAX

  Los Angeles

  34,605 departures · 6,843,021 seats flown

  2.0%

  Share

• LAS

  Las Vegas

  15,132 departures · 2,687,139 seats flown

  0.9%

  Share

Busiest United Airlines routes

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

• LGA–ORD

  8,983 departures · 1,257,915 passengers

  84.4%

  Load

• EWR–ORD

  8,541 departures · 1,371,070 passengers

  86.9%

  Load

• IAH–ORD

  7,896 departures · 1,226,199 passengers

  82.3%

  Load

• EWR–MCO

  7,817 departures · 1,186,318 passengers

  85.9%

  Load

• DEN–IAH

  7,725 departures · 1,366,600 passengers

  85.3%

  Load

• ORD–SFO

  7,495 departures · 1,419,596 passengers

  87.7%

  Load

• DEN–ORD

  7,382 departures · 1,349,939 passengers

  85.4%

  Load

• EWR–SFO

  7,349 departures · 1,559,929 passengers

  90.1%

  Load

• IAH–SFO

  7,166 departures · 1,214,980 passengers

  84.4%

  Load

• EWR–LAX

  6,933 departures · 1,389,266 passengers

  88.6%

  Load

• EWR–IAH

  6,839 departures · 1,040,610 passengers

  85.7%

  Load

• LAX–ORD

  6,780 departures · 1,194,520 passengers

  82.9%

  Load

• IAH–LAX

  6,772 departures · 1,096,168 passengers

  88.0%

  Load

• DEN–SFO

  6,765 departures · 1,169,303 passengers

  85.2%

  Load

• DCA–ORD

  6,616 departures · 655,123 passengers

  68.6%

  Load

What United Airlines flies

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

• Boeing 737-800

  158,476 departures · 81.0% load

  15.4%

  Share

• Boeing 737-900ER

  146,141 departures · 83.5% load

  14.2%

  Share

• Boeing 737 MAX 8

  144,107 departures · 82.2% load

  14.0%

  Share

• Boeing 737 MAX 9

  138,399 departures · 84.1% load

  13.4%

  Share

• Airbus A319

  93,254 departures · 82.8% load

  9.0%

  Share

• Airbus A320

  80,095 departures · 80.4% load

  7.8%

  Share

• Airbus A321neo

  57,962 departures · 85.3% load

  5.6%

  Share

• Boeing 737-700

  47,917 departures · 82.8% load

  4.7%

  Share

• Boeing 777-200

  36,111 departures · 81.8% load

  3.5%

  Share

• Boeing 757-200

  26,701 departures · 86.0% load

  2.6%

  Share

• Boeing 787-9

  21,687 departures · 81.8% load

  2.1%

  Share

• Boeing 767-300

  17,471 departures · 79.9% load

  1.7%

  Share

Monthly United Airlines capacity