Delta Flight DL3691 Deals & Information (2025/2026)

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Delta Flight 3691 Route Deals From $261

The cheapest prices found with in the last 7 days for return flights were $680 and $261 for one-way flights to Salt Lake City Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 28 - Sun, Jul 6
YVR
Vancouver Intl.
SLC
Salt Lake City Intl.
$680 Roundtrip, found 4 days ago
$680
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Jun 28 from Vancouver Intl. to Salt Lake City Intl., returning Sun, Jul 6, priced at $680 found 4 days ago

Frequently asked questions

What route does flight number DL3691 take?
DL3691 is used on a number of routes. Mostly, DL3691 flies directly from Seattle - Tacoma Intl. Airport (SEA) to ONT. If you have a ticket on this route, you’ll be traveling for about 2 hours and 43 minutes.
How often is DL3691 on time?
Nervous about making your connecting flight? If you’re taking to the skies with Delta flight number DL3691 from Sea-Tac Airport to Ontario Airport, this service runs according to schedule 91% of the time. On the rare occasion that it is delayed, the average wait time is 17 minutes. One of the numerous reasons that this trip has a 4.15-star rating.
What kind of plane is on flight number DL3691?
DL3691 is a flight number that’s used on many different routes. If you have a ticket on its most popular one, Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to ONT, you’ll likely be on the Embraer 175.
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 DL3691 flight with Travelocity, please visit our Customer Service Portal.