Using the online timetable is an easy way to look at all the direct flights Chicago — Ontario
45 flights in a week
Departure and arrival times are local (Chicago and Ontario)
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 02:44 | 04:28 | tue, wed, thu, fri | 5X928 | UPS | 3h 44m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 02:44 | 04:35 | wed | 5X928 | UPS | 3h 51m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 06:15 | 08:18 | tue, wed, thu, fri, sat | 5X5609 | UPS | 4h 3m | O'Hare International Airport — Ontario International Airport | Select dates |
| 10:20 | 12:40 | tue, wed | WN3123 | Southwest Airlines | 4h 20m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 11:50 | 14:10 | mon, thu, fri | WN3123 | Southwest Airlines | 4h 20m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 14:39 | 16:26 | sun | 5X5902 | UPS | 3h 47m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 14:54 | 16:41 | mon, tue, wed, thu | 5X2924 | UPS | 3h 47m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 14:54 | 17:48 | mon | 5X2924 | UPS | 4h 54m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 15:30 | 17:17 | sun | 5X5924 | UPS | 3h 47m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 15:30 | 17:24 | sun | 5X5924 | UPS | 3h 54m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 19:52 | 22:18 | daily | UA1851 | United Express | 4h 26m | O'Hare International Airport — Ontario International Airport | Select dates |
| 20:10 | 21:40 | mon | 8C3379 | Amazon Air | 3h 30m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 20:10 | 22:03 | thu | 8C3379 | Amazon Air | 3h 53m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 20:10 | 22:01 | fri | 8C3379 | Amazon Air | 3h 51m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 20:10 | 21:56 | sat | 8C3379 | Amazon Air | 3h 46m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 20:10 | 22:04 | sun | 8C3379 | Amazon Air | 3h 54m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 20:10 | 22:05 | mon | 8C3379 | Amazon Air | 3h 55m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 20:25 | 22:51 | sat | UA1851 | United Express | 4h 26m | O'Hare International Airport — Ontario International Airport | Select dates |
| 21:35 | 23:55 | sat | WN3123 | Southwest Airlines | 4h 20m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 21:55 | 00:15 | mon | WN3123 | Southwest Airlines | 4h 20m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 22:05 | 23:49 | sat | 5X928 | UPS | 3h 44m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 23:00 | 00:58 | thu | 8C3379 | Amazon Air | 3h 58m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 23:30 | 01:29 | tue, wed | 8C3379 | Amazon Air | 3h 59m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 23:30 | 01:32 | sat | 8C3379 | Amazon Air | 4h 2m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 23:42 | 01:06 | sun | UA8115 | United Express | 3h 24m | O'Hare International Airport — Ontario International Airport | Select dates |