Delta Flight 1645 Deals & Information (2024/2025)

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

Change your flight without a fee on select flights

Delta Flight 1645 Route Deals From $269

The cheapest prices found with in the last 7 days for return flights were $409 and $269 for one-way flights to Bismarck Municipal for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number DL1645 take?
Flight number DL1645 takes about 1 hour and 37 minutes to fly straight from John Glenn Columbus Intl. Airport (CMH) to Hartsfield–Jackson Atlanta International Airport. Sure, there’s magic in the destination, but getting there is half the fun!
What kind of plane is on flight number DL1645?
Prepare to jump on board a Boeing 737-800 if you’re taking off on flight DL1645. Most flights from John Glenn Intl. Airport to Hartsfield-Jackson Atlanta Intl. Airport (ATL) operate using this type of plane.
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 DL1645 flight with Travelocity, please visit our Customer Service Portal.