Alaska Airlines AS423 Flight Status Tracker
AS423 is a domestic flight operated by Alaska Airlines. AS423 is departing from Ontario (ONT), United States and arriving at Seattle (SEA), United States. The flight distance is about 1538.04 km or 955.69 miles and flight time is 2 hours 41 minutes. Get the latest status of AS423 / ASA423 here.
Update on Jan. 7, 2026, 7 p.m.
Lastest Status
Scheduled On time
| ONT | SEA |
Distance: 1538.04 km / 955.69 miles or 830.47 nautical miles.
Departure Ontario International Airport
Estimate Departure: 15:10
Scheduled Departure: 15:10
Departure Terminal : D Gate None
Arrival Seattle Tacoma International Airport
Estimate Arrival: 16:16
Scheduled Arrival: 16:16
Arrival Terminal : Gate None
Flight AS423 detail information
| Type | Domestic Flight |
| Route | Departure Ontario (ONT), United States and arriving at Seattle (SEA), United States |
| Airlines | Alaska Airlines (AS) |
| Aircraft | Airbus A320-100/200 |
| Flight Duration | 2 hours 41 minutes |
| Flight Distance | 1538.04 km /955.69 miles |
| Operating Days | Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday |
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AS423 Airports
| Departures |
|---|
| Airport: Ontario International Airport, United States |
| ICAO Code: ONT |
| ONT Current time: 05:19 14-Jan-2026 |
| Arrivals |
| Airport: Seattle Tacoma International Airport, United States |
| ICAO Code: SEA |
| SEA Current time: 05:19 14-Jan-2026 |