| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 19 | ONT | SEA | 15:00 | 17:02 |
Landed
|
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| Aug 18 | ONT | SEA | 14:38 | 16:48 |
Landed
|
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| Aug 17 | ONT | SEA | 14:49 | 17:01 |
Landed
|
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| Aug 16 | ONT | SEA | 14:39 | 16:53 |
Landed
|
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| Aug 15 | ONT | SEA | 14:34 | 16:48 |
Landed
|
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| Aug 14 | ONT | SEA | 14:45 | 17:00 |
Landed
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| Aug 13 | ONT | SEA | 15:29 | 17:37 |
Landed Late
|
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| Aug 12 | ONT | SEA | 14:31 | 16:46 |
Landed
|
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| Aug 11 | ONT | SEA | 14:31 | 16:45 |
Landed
|
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| Aug 10 | ONT | SEA | 14:31 | 16:40 |
Landed
|
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Alaska Airlines Flight AS1242 connects Ontario, United States to Seattle, United States, taking off from Ontario International Airport ONT and landing at Seattle Tacoma International Airport SEA.
How long is the AS1242 flight from Ontario to Seattle?
The average flight time from Ontario to Seattle is 2 hours and 11 minutes. The flight distance is 1540 km / 957 miles and the average flight speed is 704 km/h / 438 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS1242 Ontario to Seattle?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS1242 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AS1242 arriving at?
Flight AS1242 arrives at Seattle Tacoma International Airport (SEA) Terminal M.
When was the latest AS1242 flight?
The latest flight took off on Tuesday, August 19th, 2025 with the flight status being Landed on 17:02.
How else can the flight AS1242 be referenced as?
This Alaska Airlines flight can also be referenced as ASA1242, AS 1242, ASA 1242.
How often is flight AS1242 delayed?
On average, 40% of all AS1242 flights are delayed. The average delay is 12 minutes.
Can I get compensation for my delayed or cancelled AS1242 flight or baggage issues?
If your AS1242 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our AS1242 Flight Tracker above for more details.
Flight AS1242 is code-shared by 1 airline using the flight number HA6307
Other flights departing from Ontario ONT: UA2042, AS2179, 5Y8948
Other flights arriving at Seattle SEA: AS2188, AS3446, AS2005, AS3002
All flights connecting Ontario ONT to Seattle SEA.
