Delta Flight 1639 Deals & Information (2025/2026)

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Delta Flight 1639 Route Deals From $164

The cheapest prices found with in the last 7 days for return flights were $139 and $164 for one-way flights to Detroit Metropolitan Wayne County for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number DL1639 take?
DL1639 is used on a range of routes. Typically, DL1639 flies straight from ATL to MIA. If that’s your flight path, you’ll be up above the clouds for around 1 hour and 50 minutes.
How often is DL1639 on time?
If you’re taking to the skies with Delta flight number DL1639 from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Miami, FL Airport (MIA-Miami Intl.), it’s good to know that planes take off as scheduled 88% of the time. On the rare instance that a flight runs behind, it should only be delayed by around 11 minutes. Thanks to its quality of service, this service has a 4.4-star rating.
What terminal does DL1639 fly out of?
DL1639 flights out of Hartsfield–Jackson Atlanta International Airport generally leave from Terminal S. This flight number runs on a number of routes, but the most frequented one is Hartsfield–Jackson Atlanta International Airport to MIA.
What kind of plane is on flight number DL1639?
There’s a strong chance you’ll be taking off on the Airbus A321 if you’re traveling from ATL to MIA, the most popular route for flight number DL1639.
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 DL1639 flight with Travelocity, please visit our Customer Service Portal.