| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 06 | SEA | ONT | 19:47 | 22:24 |
Unknown
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| May 05 | SEA | ONT | 19:46 | 22:36 |
Unknown
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| May 04 | SEA | ONT | 19:49 | 22:24 |
Unknown
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| May 03 | SEA | ONT | 19:46 | 22:25 |
Unknown
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| May 02 | SEA | ONT | 19:46 | 22:41 |
Unknown
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| Apr 30 | SEA | ONT | 19:50 | 22:37 |
Scheduled
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| Apr 29 | SEA | ONT | 21:52 | 23:56 |
Delayed
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| Apr 28 | SEA | ONT | 19:59 | 22:01 |
Landed
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| Apr 27 | SEA | ONT | 20:30 | 22:40 |
Landed
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| Apr 26 | SEA | ONT | 20:39 | 22:45 |
Landed
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Delta Air Lines Flight DL3709 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 DL3709 flight from Seattle to Ontario?
The average flight time from Seattle to Ontario is 2 hours and 26 minutes. The flight distance is 1540 km / 957 miles and the average flight speed is 634 km/h / 394 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL3709 Seattle to Ontario?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL3709 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight DL3709 arriving at?
Flight DL3709 arrives at Ontario International Airport (ONT) Terminal 2.
When was the latest DL3709 flight?
The latest flight took off on Thursday, May 7th, 2026 with the flight status being Unknown on 22:24.
How else can the flight DL3709 be referenced as?
This Delta Air Lines flight can also be referenced as DAL3709, DL 3709, DAL 3709.
How often is flight DL3709 delayed?
On average, 40% of all DL3709 flights are delayed. The average delay is 23 minutes.
Can I get compensation for my delayed or cancelled DL3709 flight or baggage issues?
If your DL3709 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 DL3709 Flight Tracker above for more details.
Flight DL3709 is code-shared by 2 airlines using the flight numbers KL6269, VS5470
Other flights departing from Seattle SEA: AS2323, AS2054, DL1172, AS3285
Other flights arriving at Ontario ONT: DL2891, AS97, WN2696, DL8946
All flights connecting Seattle SEA to Ontario ONT.