Delta Flight 2121 Deals & Information (2026/2027)

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Delta Flight 2121 Route Deals From $326

The cheapest prices found with in the last 7 days for return flights were $399 and $326 for one-way flights to San Diego Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jul 17 - Tue, Jul 21
MSP
Minneapolis - St. Paul Intl.
SAN
San Diego Intl.
$399 Roundtrip, just found
$399
Roundtrip
just found
Select Delta flight, departing Fri, Jul 17 from Minneapolis - St. Paul Intl. to San Diego Intl., returning Tue, Jul 21, priced at $399 just found

Frequently asked questions

What route does flight number DL2121 take?
DL2121 is used on a number of routes. Most often, DL2121 flies direct from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to TUS. If you have a ticket on this route, you'll be flying for roughly 3 hours and 54 minutes.
How often is DL2121 on time?
Delta flight number DL2121 between Hartsfield-Jackson Atlanta Intl. Airport (ATL) and Tucson, AZ Airport (TUS-Tucson Intl.) arrives on schedule 88% of the time, so you can rest knowing that you will reach your destination ASAP. On the odd occasion that it is behind schedule, it is generally delayed by 18 minutes. This flight has a 4.1-star rating.
What terminal does DL2121 fly out of?
DL2121 flights out of ATL normally leave from Terminal S. This flight number runs on a number of routes, but the most frequented one is ATL to Tucson Intl. Airport (TUS).
What kind of plane is on flight number DL2121?
If you've booked a ticket on flight DL2121 from Atlanta, GA Airport (ATL-Hartsfield-Jackson Atlanta Intl.) to TUS, there's an excellent chance you'll be cruising aboard an Airbus A321. This flight number serves a number of routes, but this is the busiest.
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 DL2121 flight with Travelocity, please visit our Customer Service Portal.