San Francisco International ⇄ Chicago O'Hare International SFO–ORD
Airlines flew 11,119 flights between San Francisco International SFO in San Francisco, CA and Chicago O'Hare International ORD in Chicago, IL in the twelve months to July 2026, both directions together: 1,976,072 passengers in 2,264,346 seats, 87% of them filled, and 13,000,301 pounds of freight. 1,846 miles, about 217 minutes in the air, on 8 airlines: United Air Lines Inc. (7,612), American Airlines Inc. (3,463), Alaska Airlines Inc. (35), SkyWest Airlines Inc. (3) and 4 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 683 |
| 2/25 | 599 |
| 3/25 | 791 |
| 4/25 | 893 |
| 5/25 | 982 |
| 6/25 | 1,008 |
| 7/25 | 1,043 |
| 8/25 | 1,021 |
| 9/25 | 978 |
| 10/25 | 1,048 |
| 11/25 | 805 |
| 12/25 | 781 |
| 1/26 | 657 |
| 2/26 | 715 |
| 3/26 | 895 |
| 4/26 | 1,028 |
| 5/26 | 1,116 |
| 6/26 | 1,046 |
| 7/26 | 1,029 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 122,053 |
| 2/25 | 104,332 |
| 3/25 | 137,938 |
| 4/25 | 155,805 |
| 5/25 | 189,616 |
| 6/25 | 195,708 |
| 7/25 | 204,312 |
| 8/25 | 195,958 |
| 9/25 | 170,848 |
| 10/25 | 180,849 |
| 11/25 | 136,743 |
| 12/25 | 145,576 |
| 1/26 | 114,130 |
| 2/26 | 113,723 |
| 3/26 | 151,539 |
| 4/26 | 166,418 |
| 5/26 | 197,109 |
| 6/26 | 207,168 |
| 7/26 | 196,011 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 7,612 | 1,437,115 | 87% | charter cargo service, charter passenger service, scheduled passenger service |
| American Airlines Inc. AA | 3,463 | 532,662 | 87% | scheduled passenger service |
| Alaska Airlines Inc. AS | 35 | 5,865 | 94% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 3 | 0 | 0% | scheduled passenger service |
| Eva Airways Corporation BR | 2 | 0 | scheduled cargo service | |
| JetBlue Airways B6 | 2 | 258 | 80% | scheduled passenger service |
| Delta Air Lines Inc. DL | 1 | 172 | 89% | scheduled passenger service |
| National Air Cargo Group Inc d/ba National Airlines N8 | 1 | 0 | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Airbus Industrie A321-200n | 3,750 | 200 | 651,337 |
| Boeing 737-800 | 2,336 | 172 | 348,630 |
| Boeing 757-300 | 2,051 | 234 | 420,625 |
| Airbus Industrie A321Neoxlr | 702 | 190 | 118,457 |
| Boeing 737-900ER | 609 | 179 | 97,185 |
| Boeing B737 Max 900 | 508 | 179 | 78,698 |
| Boeing 777-200ER/200LR/233LR | 435 | 360 | 135,877 |
| Boeing B737 Max 800 | 356 | 172 | 53,033 |
| B787-800 Dreamliner | 191 | 240 | 41,560 |
| Boeing 757-200 | 77 | 176 | 12,225 |
| Airbus Industrie A320-100/200 | 34 | 150 | 4,927 |
| Boeing 787-10 Dreamliner | 26 | 306 | 5,553 |
| B787-900 Dreamliner | 23 | 231 | 4,198 |
| Boeing 777-300/300ER/333ER | 9 | 350 | 2,947 |
| Boeing 767-300/300ER | 5 | 134 | 624 |
| Airbus Industrie A319 | 3 | 126 | 196 |
| Embraer ERJ-175 | 3 | 70 | 0 |
| Boeing 747-400 | 1 | 0 | 0 |
SFO → ORD this direction alone · flown January 2025 to July 2026
5,555 flights of 5,606 scheduled, 990,358 passengers in 1,134,674 seats, 8,758,926 pounds of freight, 1,749,798 pounds of mail. United Air Lines Inc. 3,807; American Airlines Inc. 1,726; Alaska Airlines Inc. 17; Eva Airways Corporation 2; JetBlue Airways 1; Delta Air Lines Inc. 1; National Air Cargo Group Inc d/ba National Airlines 1.
ORD → SFO this direction alone · flown January 2025 to July 2026
5,564 flights of 5,618 scheduled, 985,714 passengers in 1,129,672 seats, 4,241,375 pounds of freight, 1,604,811 pounds of mail. United Air Lines Inc. 3,805; American Airlines Inc. 1,737; Alaska Airlines Inc. 18; SkyWest Airlines Inc. 3; JetBlue Airways 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: San Francisco International SFO and Chicago O'Hare International ORD; all routes.