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

Chicago O'Hare International ⇄ Sacramento International ORD–SMF

Airlines flew 2,635 flights between Chicago O'Hare International ORD in Chicago, IL and Sacramento International SMF in Sacramento, CA in the twelve months to July 2026, both directions together: 380,798 passengers in 448,688 seats, 85% of them filled, and 1,698 pounds of freight. 1,781 miles, about 239 minutes in the air, on 2 airlines: United Air Lines Inc. (1,942), American Airlines Inc. (693). Planning to fly it yourself? The weather and winds along this route right now.

2,635
flights, twelve months
ORD-SMF: 1,322 · SMF-ORD: 1,313
380,798
passengers
85% of seats filled
1,781
miles
about 239 minutes airborne
2
airlines
9 aircraft types

Flights by month both directions

0751502263011/254/257/2510/251/264/262687/26
By month, as a table
flights
1/25147
2/25111
3/25127
4/25236
5/25248
6/25239
7/25244
8/25241
9/25233
10/25245
11/25176
12/25150
1/26134
2/26113
3/26219
4/26288
5/26301
6/26267
7/26268

Passengers by month

011,17422,34833,52144,6951/254/257/2510/251/264/2640,7727/26
By month, as a table
passengers
1/2521,263
2/2515,411
3/2517,792
4/2531,342
5/2536,281
6/2537,104
7/2535,676
8/2532,961
9/2534,045
10/2534,979
11/2525,578
12/2522,448
1/2618,600
2/2615,517
3/2630,530
4/2639,243
5/2644,695
6/2641,430
7/2640,772

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA1,942286,70187%scheduled passenger service
American Airlines Inc. AA69394,09778%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-8001,304169180,681
Boeing 737-900ER47617977,973
Boeing B737 Max 90032217950,883
Airbus Industrie A320-100/20016415022,047
Boeing B737 Max 80011216816,911
Airbus Industrie A321Neoxlr8519010,326
Airbus Industrie A319831269,393
Airbus Industrie A321-200n642009,901
Boeing 737-700/700LR/Max 7251262,683

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

1,322 flights of 1,343 scheduled, 192,564 passengers in 226,762 seats, 1,516 pounds of freight, 18,978 pounds of mail. United Air Lines Inc. 974; American Airlines Inc. 348.

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

1,313 flights of 1,338 scheduled, 188,234 passengers in 221,926 seats, 182 pounds of freight, 1 pounds of mail. United Air Lines Inc. 968; American Airlines Inc. 345.

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 Sacramento International SMF; all routes.