Delta Flight WN3789 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Delta Flight 3789 Route Deals From $255

The cheapest prices found with in the last 7 days for return flights were $167 and $255 for one-way flights to Norman Y. Mineta San Jose Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 15 - Thu, Apr 24
SEA
Seattle - Tacoma Intl.
SJC
Norman Y. Mineta San Jose Intl.
$167 Roundtrip, found 9 hours ago
$167
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Apr 15 from Seattle - Tacoma Intl. to Norman Y. Mineta San Jose Intl., returning Thu, Apr 24, priced at $167 found 9 hours ago

Frequently asked questions

What route does flight number DL3789 take?
DL3789 jets from LAX to Boise Airport (BOI) and is a direct flight. This journey typically takes 2 hours and 8 minutes.
How often is DL3789 on time?
Delta flight number DL3789 between LAX and BOI runs on schedule 93% of the time — so you can relaxing knowing you will arrive at your destination ASAP. If the service is delayed, you’ll probably wait 12 minutes. This route has a 4.65-star rating.
What terminal does DL3789 fly out of?
Passengers with seats on flight number DL3789 from Los Angeles Intl. Airport (LAX) to BOI typically jet off from Terminal 2.
What kind of plane is on flight number DL3789?
The Embraer 175 is the type of aircraft that’s generally used for flight number DL3789. Usually, this flight heads off from Los Angeles, CA Airport (LAX-Los Angeles Intl.) and lands at Boise Airport.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your DL3789 flight with Travelocity, please visit our Customer Service Portal.