Delta Flight DL721 Deals & Information (2025/2026)

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Delta Flight 721 Route Deals From $264

The cheapest prices found with in the last 7 days for return flights were $399 and $264 for one-way flights to Hartsfield-Jackson Atlanta Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 25 - Mon, Sep 29
SNA
John Wayne
ATL
Hartsfield-Jackson Atlanta Intl.
$399 Roundtrip, found 2 hours ago
$399
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Sep 25 from John Wayne to Hartsfield-Jackson Atlanta Intl., returning Mon, Sep 29, priced at $399 found 2 hours ago

Frequently asked questions

What route does flight number DL721 take?
DL721 travels from Salt Lake City Intl. Airport (SLC) to Kansas City, MO Airport (MCI-Kansas City Intl.) and is a direct flight. This trip generally takes 2 hours and 22 minutes.
What kind of plane is on flight number DL721?
Get ready to step aboard an Airbus A319 if you’ve booked a seat on flight DL721. The majority of flights from Salt Lake City, UT Airport (SLC-Salt Lake City Intl.) to Kansas City Intl. Airport (MCI) are operated using this aircraft model.
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 DL721 flight with Travelocity, please visit our Customer Service Portal.