Flights from Seattle to Ontario, California
- Flights a week
- <1
- Flight time
- 2 h 52 min
- Distance
- 1,540 km
Schedule, today's status and punctuality of flights from Seattle to Ontario, California, from the official airport boards. Times are local to each airport.
Flights on 4 October 2026
| Flight | Departure | Arrival | Status |
|---|---|---|---|
 AS476Alaska Airlines | 07:30 | Landed | |
 DL4070Delta Air Lines | 08:20 | 11:14 | Landed |
| AS571Alaska Airlines | Delayed 39 min | ||
 F92276Frontier Airlines | 10:53 | Departed | |
 KE3070Korean AirAlso sold as DL4031, KL6270, WS8373 | 14:29 | — | Scheduled |
| AS592Alaska Airlines | 15:28 | — | Scheduled |
Local times: departure in the departure airport's time, arrival in the arrival airport's. Struck through: the scheduled time.
Flight numbers from Seattle to Ontario, California
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 Seattle to Ontario, California?
- Alaska Airlines, Delta Air Lines, Frontier Airlines, Korean Air.
- How many flights a week are there from Seattle to Ontario, California?
- About <1 a week over the last 28 days of boards. Flight numbers on the route: 6.
- How long is the flight from Seattle to Ontario, California?
- About 2 h 52 min by the schedule. The airports are 1540 km apart.
Airports
- Departure: Seattle (SEA)
- Arrival: Ontario, California (ONT)
- Return flights from Ontario, California to Seattle <1 a week