| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 17 | SEA | BOI | 20:02 | 21:53 |
Landed
|
Track > |
| Dec 16 | SEA | BOI | 20:36 | 22:32 |
Landed Late
|
Track > |
| Dec 15 | SEA | BOI | 21:53 | 23:47 |
Landed
|
Track > |
| Dec 14 | SEA | BOI | 22:20 | 00:16 |
Landed
|
Track > |
| Dec 13 | SEA | BOI | 20:12 | 22:09 |
Landed
|
Track > |
| Dec 12 | SEA | BOI | 22:23 | 00:15 |
Landed
|
Track > |
| Dec 11 | SEA | BOI | 22:02 | 23:57 |
Landed
|
Track > |
| Dec 10 | SEA | BOI | 19:59 | 21:53 |
Landed
|
Track > |
| Dec 09 | SEA | BOI | 19:54 | 21:47 |
Landed
|
Track > |
| Dec 08 | SEA | BOI | 22:12 | 00:04 |
Landed
|
Track > |
Delta Air Lines Flight DL3603 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 DL3603 flight from Seattle to Boise?
The average flight time from Seattle to Boise is 54 minutes. The flight distance is 641 km / 398 miles and the average flight speed is 713 km/h / 443 mph.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL3603 Seattle to Boise?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL3603 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight DL3603 arriving at?
Flight DL3603 arrives at Boise Airport (BOI) Terminal 4.
When was the latest DL3603 flight?
The latest flight took off on Thursday, December 18th, 2025 with the flight status being Landed on 21:53.
How else can the flight DL3603 be referenced as?
This Delta Air Lines flight can also be referenced as DAL3603, DL 3603, DAL 3603.
How often is flight DL3603 delayed?
On average, 30% of all DL3603 flights are delayed. The average delay is 13 minutes.
Can I get compensation for my delayed or cancelled DL3603 flight or baggage issues?
If your DL3603 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 DL3603 Flight Tracker above for more details.
Other flights departing from Seattle SEA: DL3769, DL2821, AS2179, DL3557
Other flights arriving at Boise BOI: DL3504, WN2921, DL4021, UA5783
All flights connecting Seattle SEA to Boise BOI.
