Flights from Ontario, California to Denver
- Flights a week
- <1
- Flight time
- 18 h 31 min
- Distance
- 1,316 km
Schedule, today's status and punctuality of flights from Ontario, California to Denver, from the official airport boards. Times are local to each airport.
Flights on 4 October 2026
| Flight | Departure | Arrival | Status |
|---|---|---|---|
 UA2446United Airlines | — | Landed | |
 WN4115Southwest Airlines | — | Landed | |
 F91500Frontier Airlines | — | Landed | |
| WN2102Southwest Airlines | 09:45 | Landed | |
| F92908Frontier Airlines | 11:45 | 08:21 | Scheduled |
| UA1263United Airlines | 08:55 | Departed | |
| F92908Frontier Airlines | — | Landed | |
| WN8500Southwest Airlines | 14:40 | 09:35 | Scheduled |
| WN3288Southwest Airlines | 11:15 | Delayed 5 min | |
| UA1263United Airlines | — | Delayed 54 min | |
| WN8500Southwest Airlines | — | Scheduled | |
| WN3288Southwest Airlines | — | Delayed | |
| WN1758Southwest Airlines | — | Delayed 35 min |
Local times: departure in the departure airport's time, arrival in the arrival airport's. Struck through: the scheduled time.
Flight numbers from Ontario, California to Denver
From the last 28 days of boards: usual departure time, the weekdays it flew and the share of on-time departures (within 15 min).
Common questions
- Which airlines fly from Ontario, California to Denver?
- Frontier Airlines, United Airlines, Southwest Airlines.
- How many flights a week are there from Ontario, California to Denver?
- About <1 a week over the last 28 days of boards. Flight numbers on the route: 9.
- How long is the flight from Ontario, California to Denver?
- About 18 h 31 min by the schedule. The airports are 1316 km apart.
Airports
- Departure: Ontario, California (ONT)
- Arrival: Denver (DEN)
- Return flights from Denver to Ontario, California <1 a week