Delta Flight DL1223 Deals & Information (2025/2026)

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Delta Flight 1223 Route Deals From $101

The cheapest prices found with in the last 7 days for return flights were $197 and $101 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 28 - Sun, Jul 13
ATL
Hartsfield-Jackson Atlanta Intl.
IAH
George Bush Intercontinental
$197 Roundtrip, found 8 hours ago
$197
Roundtrip
found 8 hours ago
Select Delta flight, departing Sat, Jun 28 from Hartsfield-Jackson Atlanta Intl. to George Bush Intercontinental, returning Sun, Jul 13, priced at $197 found 8 hours ago

Frequently asked questions

What route does flight number DL1223 take?
You’ll be arriving into Jacksonville Intl. Airport (JAX) from ATL if you’re traveling on flight number DL1223. You’ll be in the sky for 1 hour and 10 minutes during this trip. It’s also worthwhile noting that it conveniently travels non-stop.
How often is DL1223 on time?
Delta flight number DL1223 from Hartsfield–Jackson Atlanta International Airport to JAX leaves on schedule 100% of the time — so you can be confident you’ll touch down at your destination ASAP. If the journey happens to be late, the average wait is 10 minutes. This route has a 3.7-star rating.
What terminal does DL1223 fly out of?
DL1223 runs between Hartsfield-Jackson Atlanta Intl. Airport (ATL) and Jacksonville Intl. Airport, and those taking this flight usually jet off from Terminal S.
What kind of plane is on flight number DL1223?
Prepare to hop on board a Boeing 757 if you have a seat on flight DL1223. Almost all flights from Hartsfield–Jackson Atlanta International Airport to Jacksonville Intl. Airport use this aircraft type.
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 DL1223 flight with Travelocity, please visit our Customer Service Portal.