Delta Flight DL3780 Deals & Information (2025/2026)

DL3780 is used on multiple routes, but the most common is between Medford Airport and Seattle, WA Airport (SEA-Seattle - Tacoma Intl.). If your flight goes direct, you’ll touch down in around 1 hour and 27 minutes. Multi-stop flights can also operate under this number, as can flights on other routes.

If you’re flying with Delta flight number DL3780 from Medford, OR Airport (MFR-Rogue Valley Intl.) to Sea-Tac Airport, it’s comforting to know that their flights arrive as scheduled 100% of the time. On the odd occasion that a flight is running behind, it will generally be delayed by 2 minutes. Thanks to this airline’s quality standards, this flight has a 4.1-star rating.

It’s likely you’ll be hopping on board the Embraer 175 if you’re booked on flight DL3780 from MFR to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.). This is the most commonly used type of aircraft on this busy route.

For more info about changing your DL3780 flight with Travelocity, please visit our Customer Service Portal.