| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 25 | BOI | SEA | 17:59 | 18:41 |
Scheduled
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| Jul 30 | BOI | SEA | 18:07 | 18:42 |
Scheduled
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| Jul 29 | BOI | SEA | 18:21 | 18:23 |
Landed
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| Jul 28 | BOI | SEA | 18:41 | 18:53 |
Landed
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| Jul 27 | BOI | SEA | 18:35 | 18:44 |
Landed
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| Jul 26 | BOI | SEA | 18:19 | 18:25 |
Landed
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| Jul 25 | BOI | SEA | 18:08 | 18:21 |
Landed
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| Jul 24 | BOI | SEA | 18:38 | 18:55 |
Landed
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| Jul 23 | BOI | SEA | 18:39 | 18:56 |
Landed
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| Jul 22 | BOI | SEA | 18:01 | 18:01 |
Landed
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Delta Air Lines Flight DL4127 connects Boise, United States to Seattle, United States, taking off from Boise Airport BOI and landing at Seattle Tacoma International Airport SEA.
How long is the DL4127 flight from Boise to Seattle?
The average flight time from Boise to Seattle is 1 hour and 9 minutes. The flight distance is 641 km / 398 miles and the average flight speed is 525 km/h / 326 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL4127 Boise to Seattle?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL4127 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest DL4127 flight?
The latest flight took off on Saturday, September 26th, 2026 with the flight status being Scheduled on 18:41.
How else can the flight DL4127 be referenced as?
This Delta Air Lines flight can also be referenced as DAL4127, DL 4127, DAL 4127.
How often is flight DL4127 delayed?
On average, 40% of all DL4127 flights are delayed. The average delay is 10 minutes.
Can I get compensation for my delayed or cancelled DL4127 flight or baggage issues?
If your DL4127 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 DL4127 Flight Tracker above for more details.
Other flights departing from Boise BOI: AS1342, QX2184, OO3481, WN2592
Other flights arriving at Seattle SEA: QX2195, OO3378, AS2195, AS3378
All flights connecting Boise BOI to Seattle SEA.
