Delta Flight NK1686 Deals & Information (2025/2026)

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Delta Flight 1686 Route Deals From $130

The cheapest prices found with in the last 7 days for return flights were $228 and $130 for one-way flights to Philadelphia Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 29 - Mon, Nov 3
DTW
Detroit Metropolitan Wayne County
PHL
Philadelphia Intl.
$228 Roundtrip, found 8 hours ago
$228
Roundtrip
found 8 hours ago
Select Delta flight, departing Wed, Oct 29 from Detroit Metropolitan Wayne County to Philadelphia Intl., returning Mon, Nov 3, priced at $228 found 8 hours ago

Frequently asked questions

What route does flight number DL1686 take?
DL1686 takes multiple routes. The most popular is ATL to San Antonio Airport, which is a direct flight. This service usually takes 2 hours and 26 minutes. However, there may possibly be other flights with this number that are multi-stop.
What terminal does DL1686 fly out of?
Terminal S is where you'll likely board from if you're booked on a flight leaving from Hartsfield-Jackson Atlanta Intl. Airport (ATL). Hartsfield-Jackson Atlanta Intl. Airport (ATL) to San Antonio Intl. Airport (SAT) is the most frequently traveled route for flight number DL1686.
What kind of plane is on flight number DL1686?
Chances are you'll be on board an Airbus A321 if you've booked a fare from Atlanta, GA Airport (ATL-Hartsfield-Jackson Atlanta Intl.) to San Antonio Airport, a popular route for flight DL1686.
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 DL1686 flight with Travelocity, please visit our Customer Service Portal.