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 | 04:22 | tue, wed, thu, fri | 5X928 | UPS | 3h 38m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 04:45 | 09:36 | sat | 5X9307 | UPS | 6h 51m | 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 |
| 08:50 | 11:05 | mon, thu, fri | WN2650 | Southwest Airlines | 4h 15m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 12:15 | 14:40 | sun | WN2714 | Southwest Airlines | 4h 25m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 12:16 | 13:45 | sat | WN9002 | Southwest Airlines | 3h 29m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 12:35 | 14:45 | thu | WN2511 | Southwest Airlines | 4h 10m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 12:50 | 15:05 | sat | WN2650 | Southwest Airlines | 4h 15m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 13:40 | 15:52 | wed | 5X5908 | UPS | 4h 12m | Chicago Rockford International Airport — Ontario International Airport | Select dates |
| 13:55 | 16:15 | mon, thu, fri | WN2714 | Southwest Airlines | 4h 20m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 14:54 | 16:42 | tue, wed, thu, fri, sat | 5X2924 | UPS | 3h 48m | Chicago Rockford 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 |
| 17:40 | 20:15 | mon | WN268 | Southwest Airlines | 4h 35m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 19:55 | 22:26 | daily | UA1032 | United Airlines | 4h 31m | O'Hare International Airport — Ontario International Airport | Select dates |
| 20:00 | 22:15 | tue, wed | WN2650 | Southwest Airlines | 4h 15m | Chicago Midway International Airport — Ontario International Airport | Select dates |
| 20:30 | 22:45 | sun | WN2650 | Southwest Airlines | 4h 15m | 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 |