| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 10 | SEA | ONT | 14:20 | 17:19 |
En-Route
|
Track > |
| Aug 14 | SEA | ONT | 14:30 | 17:21 |
Delayed >3h
|
Track > |
| Jul 30 | SEA | ONT | 14:30 | 17:21 |
Scheduled
|
Track > |
| Jul 29 | SEA | ONT | 14:53 | 17:11 |
Landed
|
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| Jul 28 | SEA | ONT | 14:56 | 17:13 |
Landed
|
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| Jul 27 | SEA | ONT | 14:54 | 17:08 |
Landed
|
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| Jul 26 | SEA | ONT | 15:03 | 17:30 |
Landed
|
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| Jul 25 | SEA | ONT | 15:13 | 17:36 |
Landed Late
|
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| Jul 24 | SEA | ONT | 15:23 | 17:43 |
Landed Late
|
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| Jul 23 | SEA | ONT | 16:10 | 18:26 |
Delayed
|
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Delta Air Lines Flight DL4031 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 DL4031 flight from Seattle to Ontario?
The average flight time from Seattle to Ontario is 2 hours and 19 minutes. The flight distance is 1540 km / 957 miles and the average flight speed is 627 km/h / 390 mph.
How many DL4031 flights are operated per week?
1 flight per week. The flight DL4031 is operated on Thursday.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL4031 Seattle to Ontario?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL4031 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight DL4031 arriving at?
Flight DL4031 arrives at Ontario International Airport (ONT) Terminal 2.
When was the latest DL4031 flight?
The latest flight took off on Friday, September 11th, 2026 with the flight status being En-Route on 17:19.
How else can the flight DL4031 be referenced as?
This Delta Air Lines flight can also be referenced as DAL4031, DL 4031, DAL 4031.
How often is flight DL4031 delayed?
On average, 40% of all DL4031 flights are delayed. The average delay is 27 minutes.
Can I get compensation for my delayed or cancelled DL4031 flight or baggage issues?
If your DL4031 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 DL4031 Flight Tracker above for more details.
Other flights departing from Seattle SEA: AS1436, OO4031, DL340, DL542
Other flights arriving at Ontario ONT: F93131, OO4031, EM7653, EM7693
All flights connecting Seattle SEA to Ontario ONT.
