Using the online timetable is an easy way to look at all the direct flights Chicago — Ontario
43 flights in a week
Departure and arrival times are local (Chicago and Ontario)
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 01:25 | 02:58 | fri | 5X7831 | UPS | 3h 33m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 02:44 | 04:22 | tue, wed, thu, fri | 5X928 | UPS | 3h 38m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 06:15 | 08:10 | fri | 5X5609 | UPS | 3h 55m | O'Hare International Airport — Ontario International Airport | Select dates |
| 06:15 | 08:08 | tue, wed, thu, fri, sat | 5X5609 | UPS | 3h 53m | O'Hare International Airport — Ontario International Airport | Select dates |
| 06:15 | 09:57 | sat | 5X5609 | UPS | 5h 42m | O'Hare International Airport — Ontario International Airport | Select dates |
| 08:25 | 10:35 | sat | WN203 | Southwest Airlines | 4h 10m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 08:50 | 15:17 | thu | 5X2925 | UPS | 8h 27m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 12:35 | 14:45 | mon, thu, fri | WN2511 | Southwest Airlines | 4h 10m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 12:45 | 14:55 | sun | WN203 | Southwest Airlines | 4h 10m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 14:54 | 16:33 | tue, wed, thu, fri, sat | 5X2924 | UPS | 3h 39m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 14:54 | 16:29 | fri | 5X2924 | UPS | 3h 35m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 15:30 | 17:40 | sun | WN2511 | Southwest Airlines | 4h 10m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 17:25 | 19:35 | tue, wed, sat | WN1500 | Southwest Airlines | 4h 10m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 19:35 | 22:06 | mon, fri, sat, sun | UA1144 | United Airlines | 4h 31m | O'Hare International Airport — Ontario International Airport | Select dates |
| 19:59 | 22:30 | mon, tue, thu, fri, sun | UA1748 | United Airlines | 4h 31m | O'Hare International Airport — Ontario International Airport | Select dates |
| 20:05 | 22:15 | tue, wed | WN854 | Southwest Airlines | 4h 10m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 20:20 | 22:30 | mon, thu, fri | WN1500 | Southwest Airlines | 4h 10m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 22:05 | 23:43 | sat | 5X928 | UPS | 3h 38m | Chicago Rockford International Airport — Ontario International Airport | Select dates |