| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 12 | ONT | SEA | 06:11 | 08:19 |
Landed
|
Track > |
| Apr 11 | ONT | SEA | 06:01 | 08:18 |
Landed
|
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| Apr 10 | ONT | SEA | 06:10 | 08:13 |
Landed
|
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| Apr 09 | ONT | SEA | 06:49 | 08:57 |
Landed
|
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| Apr 08 | ONT | SEA | 06:17 | 08:27 |
Landed
|
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| Apr 07 | ONT | SEA | 06:12 | 08:43 |
Landed
|
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| Apr 06 | ONT | SEA | 06:40 | 08:53 |
Landed
|
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| Apr 05 | ONT | SEA | 06:15 | 08:22 |
Landed
|
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| Apr 04 | ONT | SEA | 06:14 | 08:31 |
Landed
|
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| Apr 03 | ONT | SEA | 06:07 | 08:35 |
Landed
|
Track > |
Delta Air Lines Flight DL4042 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 DL4042 flight from Ontario to Seattle?
The average flight time from Ontario to Seattle is 2 hours and 14 minutes. The flight distance is 1540 km / 957 miles and the average flight speed is 691 km/h / 430 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL4042 Ontario to Seattle?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL4042 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight DL4042 arriving at?
Flight DL4042 arrives at Seattle Tacoma International Airport (SEA) Terminal 1.
When was the latest DL4042 flight?
The latest flight took off on Sunday, April 12th, 2026 with the flight status being Landed on 08:19.
How else can the flight DL4042 be referenced as?
This Delta Air Lines flight can also be referenced as DAL4042, DL 4042, DAL 4042.
How often is flight DL4042 delayed?
On average, 10% of all DL4042 flights are delayed. The average delay is 2 minutes.
Can I get compensation for my delayed or cancelled DL4042 flight or baggage issues?
If your DL4042 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 DL4042 Flight Tracker above for more details.
Flight DL4042 is code-shared by 4 airlines using the flight numbers KE3098, KL6721, VS3853, WS6921
Other flights departing from Ontario ONT: TA531, K4935, WN2157, Y47956
Other flights arriving at Seattle SEA: AS68, AS1399, AS2042, AS3065
All flights connecting Ontario ONT to Seattle SEA.
