The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Chicago O'Hare International ⇄ Los Angeles International ORD–LAX

Airlines flew 14,095 flights between Chicago O'Hare International ORD in Chicago, IL and Los Angeles International LAX in Los Angeles, CA in the twelve months to July 2026, both directions together: 2,334,408 passengers in 2,735,128 seats, 85% of them filled, and 31,831,490 pounds of freight. 1,744 miles, about 228 minutes in the air, on 16 airlines: United Air Lines Inc. (6,765), American Airlines Inc. (5,993), Frontier Airlines Inc. (449), Spirit Air Lines (358) and 12 more. Planning to fly it yourself? The weather and winds along this route right now.

14,095
flights, twelve months
ORD-LAX: 7,155 · LAX-ORD: 6,940
2,334,408
passengers
85% of seats filled
1,744
miles
about 228 minutes airborne
16
airlines
25 aircraft types

Flights by month both directions

03727441,1161,4881/254/257/2510/251/264/261,4887/26
By month, as a table
flights
1/251,059
2/25916
3/251,176
4/251,106
5/251,309
6/251,357
7/251,354
8/251,333
9/251,259
10/251,159
11/251,156
12/251,147
1/26942
2/26916
3/261,084
4/261,094
5/261,211
6/261,306
7/261,488

Passengers by month

063,225126,450189,676252,9011/254/257/2510/251/264/26252,9017/26
By month, as a table
passengers
1/25153,977
2/25138,119
3/25186,474
4/25176,501
5/25208,210
6/25231,808
7/25236,420
8/25226,892
9/25195,777
10/25192,116
11/25186,579
12/25197,107
1/26144,205
2/26134,711
3/26187,412
4/26181,691
5/26207,641
6/26227,376
7/26252,901

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA6,7651,203,55784%charter passenger service, scheduled passenger service
American Airlines Inc. AA5,993939,27087%scheduled passenger service
Frontier Airlines Inc. F944985,91988%scheduled passenger service
Spirit Air Lines NK35860,27889%scheduled passenger service
Delta Air Lines Inc. DL30345,13293%charter passenger service, scheduled passenger service
Atlas Air Inc. 5Y9600%charter cargo service
Qantas Airways Ltd. QF680scheduled cargo service
Sky Lease Cargo WI350charter cargo service
SkyWest Airlines Inc. OO700%scheduled passenger service
Western Global KD50charter cargo service
National Air Cargo Group Inc d/ba National Airlines N850charter cargo service, charter passenger service
Federal Express Corporation FX40charter cargo service
Sun Country Airlines d/b/a MN Airlines SY312238%charter passenger service
Eastern Air Express, LLC (EAX) 37Q23712%charter passenger service
Gainjet Aviation SA 1UQ1338%charter passenger service
Air Canada AC19046%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus Industrie A321-200n4,810201831,726
Boeing 737-8003,206171476,175
Airbus Industrie A321Neoxlr1,966192333,365
Boeing 757-3001,605234318,712
Boeing B737 Max 80061817285,829
Boeing 737-900ER47517968,198
Boeing B737 Max 90033217946,968
Boeing 777-200ER/200LR/233LR29835679,041
Airbus Industrie A320-200n24618340,226
Airbus Industrie A320-100/20019117729,715
Boeing 747-400F10800
Boeing 747-4009200
B787-900 Dreamliner7124715,302
Boeing 757-200221632,893
Boeing 787-10 Dreamliner142732,941
B787-800 Dreamliner112371,959
Boeing 737-700/700LR/Max 79126727
Canadair RJ-7004650
Boeing B777-F400
Embraer ERJ-1753720
Boeing B747-8300
Airbus Industrie A350-9002275345
Boeing 737-400215037
Airbus Industrie A3192128246
Bombardier Challenger 604/605183

ORD → LAX this direction alone · flown January 2025 to July 2026

7,155 flights of 7,014 scheduled, 1,162,691 passengers in 1,376,179 seats, 20,087,505 pounds of freight, 1,327,142 pounds of mail. United Air Lines Inc. 3,400; American Airlines Inc. 3,010; Frontier Airlines Inc. 226; Spirit Air Lines 178; Delta Air Lines Inc. 154; Atlas Air Inc. 89; Qantas Airways Ltd. 68; Sky Lease Cargo 19; Western Global 2; National Air Cargo Group Inc d/ba National Airlines 2; SkyWest Airlines Inc. 2; Sun Country Airlines d/b/a MN Airlines 2; Gainjet Aviation SA 1; Eastern Air Express, LLC (EAX) 1; Air Canada 1.

LAX → ORD this direction alone · flown January 2025 to July 2026

6,940 flights of 6,993 scheduled, 1,171,717 passengers in 1,358,949 seats, 11,743,985 pounds of freight, 1,124,807 pounds of mail. United Air Lines Inc. 3,365; American Airlines Inc. 2,983; Frontier Airlines Inc. 223; Spirit Air Lines 180; Delta Air Lines Inc. 149; Sky Lease Cargo 16; Atlas Air Inc. 7; SkyWest Airlines Inc. 5; Federal Express Corporation 4; Western Global 3; National Air Cargo Group Inc d/ba National Airlines 3; Eastern Air Express, LLC (EAX) 1; Sun Country Airlines d/b/a MN Airlines 1.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Chicago O'Hare International ORD and Los Angeles International LAX; all routes.