Delta Flight 4644 Deals & Information (2026/2027)

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Delta Flight 4644 Route Deals From $227

The cheapest prices found with in the last 7 days for return flights were $299 and $227 for one-way flights to Tri-Cities Regional for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 17 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TRI
Tri-Cities Regional
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 17 from Hartsfield-Jackson Atlanta Intl. to Tri-Cities Regional, returning Mon, Oct 26, priced at $299 found 2 days ago
Sat, Oct 17 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TRI
Tri-Cities Regional
$349 Roundtrip, found 2 days ago
$349
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 17 from Hartsfield-Jackson Atlanta Intl. to Tri-Cities Regional, returning Mon, Oct 26, priced at $349 found 2 days ago
Sat, Oct 17 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TRI
Tri-Cities Regional
$369 Roundtrip, found 2 days ago
$369
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 17 from Hartsfield-Jackson Atlanta Intl. to Tri-Cities Regional, returning Mon, Oct 26, priced at $369 found 2 days ago
Sat, Oct 17 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TRI
Tri-Cities Regional
$389 Roundtrip, found 2 days ago
$389
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 17 from Hartsfield-Jackson Atlanta Intl. to Tri-Cities Regional, returning Mon, Oct 26, priced at $389 found 2 days ago
Sat, Oct 17 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TRI
Tri-Cities Regional
$399 Roundtrip, found 2 days ago
$399
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 17 from Hartsfield-Jackson Atlanta Intl. to Tri-Cities Regional, returning Mon, Oct 26, priced at $399 found 2 days ago
Sat, Oct 17 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TRI
Tri-Cities Regional
$419 Roundtrip, found 2 days ago
$419
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 17 from Hartsfield-Jackson Atlanta Intl. to Tri-Cities Regional, returning Mon, Oct 26, priced at $419 found 2 days ago
Sat, Oct 17 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TRI
Tri-Cities Regional
$429 Roundtrip, found 2 days ago
$429
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 17 from Hartsfield-Jackson Atlanta Intl. to Tri-Cities Regional, returning Mon, Oct 26, priced at $429 found 2 days ago
Sat, Oct 17 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TRI
Tri-Cities Regional
$449 Roundtrip, found 2 days ago
$449
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 17 from Hartsfield-Jackson Atlanta Intl. to Tri-Cities Regional, returning Mon, Oct 26, priced at $449 found 2 days ago
Sat, Oct 17 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TRI
Tri-Cities Regional
$459 Roundtrip, found 2 days ago
$459
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 17 from Hartsfield-Jackson Atlanta Intl. to Tri-Cities Regional, returning Mon, Oct 26, priced at $459 found 2 days ago
Sat, Oct 17 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TRI
Tri-Cities Regional
$472 Roundtrip, found 2 days ago
$472
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 17 from Hartsfield-Jackson Atlanta Intl. to Tri-Cities Regional, returning Mon, Oct 26, priced at $472 found 2 days ago
Sat, Oct 17 - Mon, Oct 26
ATL
Hartsfield-Jackson Atlanta Intl.
TRI
Tri-Cities Regional
$477 Roundtrip, found 2 days ago
$477
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 17 from Hartsfield-Jackson Atlanta Intl. to Tri-Cities Regional, returning Mon, Oct 26, priced at $477 found 2 days ago

Frequently asked questions

What route does flight number DL4644 take?
DL4644 serves multiple routes, but the most common is between Hartsfield-Jackson Atlanta Intl. Airport (ATL) and Mobile Regional Airport (MOB). If you're lucky enough to score a direct flight, you'll stroll through arrivals in approximately 1 hour and 17 minutes. Multi-stop flights can also operate under the same number, as can services on other routes.
How often is DL4644 on time?
If you're flying with Delta on flight number DL4644 between Hartsfield–Jackson Atlanta International Airport and Mobile Regional Airport (MOB), your service is on time 89% of the time — when you have to stick to your schedule, it's a relief knowing that your airline does too. In the event of an unforeseen delay, the average wait time is only 23 minutes. This journey has a 3.85-star rating.
What terminal does DL4644 fly out of?
Terminal S is the terminal you'll likely jet off from if you're booked on a flight leaving from Atlanta, GA Airport (ATL-Hartsfield-Jackson Atlanta Intl.). Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Mobile Regional Airport (MOB) is the most popular route for flight number DL4644.
What kind of plane is on flight number DL4644?
Chances are you'll be climbing aboard the Bombardier CRJ900 if you're taking flight number DL4644 from ATL to Mobile Regional Airport (MOB). It's the most commonly used aircraft on this route.
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 DL4644 flight with Travelocity, please visit our Customer Service Portal.