| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 07 | SEA | BOI | 21:20 | 23:53 |
Scheduled
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| Sep 03 | SEA | BOI | 21:20 | 23:53 |
Scheduled
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| Aug 20 | SEA | BOI | 21:20 | 23:53 |
Scheduled
|
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| Aug 10 | SEA | BOI | 21:20 | 23:53 |
Scheduled
|
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| Aug 06 | SEA | BOI | 21:20 | 23:53 |
Scheduled
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| Jul 29 | SEA | BOI | 21:41 | 23:42 |
Landed
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| Jul 28 | SEA | BOI | 21:38 | 23:39 |
Landed
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| Jul 27 | SEA | BOI | 22:12 | 00:09 |
Landed Late
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| Jul 26 | SEA | BOI | 21:36 | 23:44 |
Landed
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| Jul 24 | SEA | BOI | 21:36 | 23:38 |
Landed
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Delta Air Lines Flight DL4090 connects Seattle, United States to Boise, United States, taking off from Seattle Tacoma International Airport SEA and landing at Boise Airport BOI.
How long is the DL4090 flight from Seattle to Boise?
The average flight time from Seattle to Boise is 1 hour and 1 minute. The flight distance is 641 km / 398 miles and the average flight speed is 519 km/h / 323 mph.
How many DL4090 flights are operated per week?
1 flight per week. The flight DL4090 is operated on Tuesday.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL4090 Seattle to Boise?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL4090 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest DL4090 flight?
The latest flight took off on Tuesday, September 8th, 2026 with the flight status being Scheduled on 23:53.
How else can the flight DL4090 be referenced as?
This Delta Air Lines flight can also be referenced as DAL4090, DL 4090, DAL 4090.
How often is flight DL4090 delayed?
On average, 10% of all DL4090 flights are delayed. The average delay is 18 minutes.
Can I get compensation for my delayed or cancelled DL4090 flight or baggage issues?
If your DL4090 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 DL4090 Flight Tracker above for more details.
Other flights departing from Seattle SEA: DL936, AS639, AS411, OO4090
Other flights arriving at Boise BOI: WN3170, AS447, QX2262, OO4090
All flights connecting Seattle SEA to Boise BOI.
