Delta Flight 4644 Deals & Information (2026/2027)

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Delta Flight 4644 Route Deals From $269

The cheapest prices found with in the last 7 days for return flights were $339 and $269 for one-way flights to Quad City Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jan 12 - Tue, Jan 26
ATL
Hartsfield-Jackson Atlanta Intl.
MLI
Quad City Intl.
$339 Roundtrip, found 3 days ago
$339
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jan 12 from Hartsfield-Jackson Atlanta Intl. to Quad City Intl., returning Tue, Jan 26, priced at $339 found 3 days ago
Mon, Dec 7 - Mon, Dec 14
ATL
Hartsfield-Jackson Atlanta Intl.
MLI
Quad City Intl.
$346 Roundtrip, found 1 day ago
$346
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Dec 7 from Hartsfield-Jackson Atlanta Intl. to Quad City Intl., returning Mon, Dec 14, priced at $346 found 1 day ago
Tue, Jan 12 - Tue, Jan 26
ATL
Hartsfield-Jackson Atlanta Intl.
MLI
Quad City Intl.
$369 Roundtrip, found 3 days ago
$369
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jan 12 from Hartsfield-Jackson Atlanta Intl. to Quad City Intl., returning Tue, Jan 26, priced at $369 found 3 days ago
Mon, Dec 7 - Mon, Dec 14
ATL
Hartsfield-Jackson Atlanta Intl.
MLI
Quad City Intl.
$376 Roundtrip, found 1 day ago
$376
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Dec 7 from Hartsfield-Jackson Atlanta Intl. to Quad City Intl., returning Mon, Dec 14, priced at $376 found 1 day ago
Mon, Dec 7 - Mon, Dec 14
ATL
Hartsfield-Jackson Atlanta Intl.
MLI
Quad City Intl.
$386 Roundtrip, found 1 day ago
$386
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Dec 7 from Hartsfield-Jackson Atlanta Intl. to Quad City Intl., returning Mon, Dec 14, priced at $386 found 1 day ago
Sun, Oct 25 - Sun, Nov 1
ATL
Hartsfield-Jackson Atlanta Intl.
MLI
Quad City Intl.
$439 Roundtrip, found 6 days ago
$439
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Oct 25 from Hartsfield-Jackson Atlanta Intl. to Quad City Intl., returning Sun, Nov 1, priced at $439 found 6 days ago
Thu, Nov 5 - Mon, Nov 9
ATL
Hartsfield-Jackson Atlanta Intl.
MLI
Quad City Intl.
$459 Roundtrip, found 1 day ago
$459
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Nov 5 from Hartsfield-Jackson Atlanta Intl. to Quad City Intl., returning Mon, Nov 9, priced at $459 found 1 day ago
Mon, Dec 7 - Mon, Dec 14
ATL
Hartsfield-Jackson Atlanta Intl.
MLI
Quad City Intl.
$478 Roundtrip, found 1 day ago
$478
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Dec 7 from Hartsfield-Jackson Atlanta Intl. to Quad City Intl., returning Mon, Dec 14, priced at $478 found 1 day ago
Tue, Jan 12 - Tue, Jan 26
ATL
Hartsfield-Jackson Atlanta Intl.
MLI
Quad City Intl.
$479 Roundtrip, found 3 days ago
$479
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jan 12 from Hartsfield-Jackson Atlanta Intl. to Quad City Intl., returning Tue, Jan 26, priced at $479 found 3 days ago
Thu, Nov 5 - Mon, Nov 9
ATL
Hartsfield-Jackson Atlanta Intl.
MLI
Quad City Intl.
$489 Roundtrip, found 1 day ago
$489
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Nov 5 from Hartsfield-Jackson Atlanta Intl. to Quad City Intl., returning Mon, Nov 9, priced at $489 found 1 day 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.