Chicago O'Hare International ⇄ Ontario International ORD–ONT
Airlines flew 849 flights between Chicago O'Hare International ORD in Chicago, IL and Ontario International ONT in Ontario, CA in the twelve months to July 2026, both directions together: 79,782 passengers in 96,172 seats, 83% of them filled, and 4,103,488 pounds of freight. 1,700 miles, about 225 minutes in the air, on 4 airlines: United Air Lines Inc. (569), United Parcel Service (271), American Airlines Inc. (8), Atlas Air Inc. (1). 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 | 21 |
| 2/25 | 20 |
| 3/25 | 20 |
| 4/25 | 21 |
| 5/25 | 42 |
| 6/25 | 80 |
| 7/25 | 86 |
| 8/25 | 84 |
| 9/25 | 79 |
| 10/25 | 85 |
| 11/25 | 83 |
| 12/25 | 69 |
| 1/26 | 32 |
| 2/26 | 21 |
| 3/26 | 73 |
| 4/26 | 80 |
| 5/26 | 83 |
| 6/26 | 78 |
| 7/26 | 82 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 0 |
| 2/25 | 0 |
| 3/25 | 0 |
| 4/25 | 0 |
| 5/25 | 2,859 |
| 6/25 | 8,857 |
| 7/25 | 8,966 |
| 8/25 | 8,686 |
| 9/25 | 8,182 |
| 10/25 | 8,787 |
| 11/25 | 7,760 |
| 12/25 | 4,215 |
| 1/26 | 1,629 |
| 2/26 | 168 |
| 3/26 | 5,795 |
| 4/26 | 6,793 |
| 5/26 | 9,439 |
| 6/26 | 8,805 |
| 7/26 | 9,523 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 569 | 78,451 | 83% | scheduled passenger service |
| United Parcel Service 5X | 271 | 0 | scheduled cargo service | |
| American Airlines Inc. AA | 8 | 1,331 | 97% | scheduled passenger service |
| Atlas Air Inc. 5Y | 1 | 0 | 0% | charter cargo service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-800 | 265 | 166 | 36,783 |
| Boeing 767-300/300ER | 250 | 0 | 0 |
| Boeing 737-900ER | 189 | 179 | 28,578 |
| Boeing B737 Max 800 | 58 | 166 | 7,102 |
| Boeing 737-700/700LR/Max 7 | 46 | 126 | 4,906 |
| Airbus Industrie A300-600/R/CF/RCF | 20 | 0 | 0 |
| Airbus Industrie A319 | 10 | 126 | 1,042 |
| Boeing B737 Max 900 | 9 | 179 | 1,371 |
| Boeing 757-200 | 1 | 0 | 0 |
| Boeing 747-400 | 1 | 8 | 0 |
ORD → ONT this direction alone · flown January 2025 to July 2026
546 flights of 549 scheduled, 38,112 passengers in 49,040 seats, 3,393,300 pounds of freight, 7,601,910 pounds of mail. United Air Lines Inc. 286; United Parcel Service 251; American Airlines Inc. 8; Atlas Air Inc. 1.
ONT → ORD this direction alone · flown January 2025 to July 2026
303 flights of 311 scheduled, 41,670 passengers in 47,132 seats, 710,188 pounds of freight, 711,043 pounds of mail. United Air Lines Inc. 283; United Parcel Service 20.
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 Ontario International ONT; all routes.