| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 19 | SEA | ONT | 11:28 | 13:41 |
Landed Late
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| Aug 18 | SEA | ONT | 11:12 | 13:22 |
Landed
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| Aug 17 | SEA | ONT | 11:31 | 13:36 |
Landed
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| Aug 16 | SEA | ONT | 11:21 | 13:29 |
Landed
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| Aug 15 | SEA | ONT | 11:26 | 13:29 |
Landed
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| Aug 14 | SEA | ONT | 11:05 | 13:11 |
Landed
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| Aug 13 | SEA | ONT | 12:21 | 14:32 |
Delayed
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| Aug 12 | SEA | ONT | 11:06 | 13:18 |
Landed
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| Aug 11 | SEA | ONT | 11:27 | 13:36 |
Landed
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| Aug 10 | SEA | ONT | 11:12 | 13:22 |
Landed
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Alaska Airlines Flight AS1278 connects Seattle, United States to Ontario, United States, taking off from Seattle Tacoma International Airport SEA and landing at Ontario International Airport ONT.
How long is the AS1278 flight from Seattle to Ontario?
The average flight time from Seattle to Ontario is 2 hours and 8 minutes. The flight distance is 1540 km / 957 miles and the average flight speed is 718 km/h / 446 mph.
What is the On-Time Performance (OTP) of Alaska Airlines Flight AS1278 Seattle to Ontario?
The Airportia On-Time Performance Rating for Alaska Airlines Flight AS1278 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AS1278 arriving at?
Flight AS1278 arrives at Ontario International Airport (ONT) Terminal 2.
When was the latest AS1278 flight?
The latest flight took off on Tuesday, August 19th, 2025 with the flight status being Landed on 13:41.
How else can the flight AS1278 be referenced as?
This Alaska Airlines flight can also be referenced as ASA1278, AS 1278, ASA 1278.
How often is flight AS1278 delayed?
On average, 60% of all AS1278 flights are delayed. The average delay is 17 minutes.
Can I get compensation for my delayed or cancelled AS1278 flight or baggage issues?
If your AS1278 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 AS1278 Flight Tracker above for more details.
Flight AS1278 is code-shared by 1 airline using the flight number HA6803
Other flights departing from Seattle SEA: AS3456, AS3004, AS49, AS3411
Other flights arriving at Ontario ONT: UA1144, AS2178, AA1080, F94205
All flights connecting Seattle SEA to Ontario ONT.
