Delta Flight 2123 Deals & Information (2026/2027)

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Delta Flight 2123 Route Deals From $227

The cheapest prices found with in the last 7 days for return flights were $339 and $227 for one-way flights to Hancock Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jun 25 - Sun, Jul 5
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$339 Roundtrip, found 3 hours ago
$339
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Jun 25 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Sun, Jul 5, priced at $339 found 3 hours ago
Fri, Jun 5 - Sun, Jun 7
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$347 Roundtrip, found 18 hours ago
$347
Roundtrip
found 18 hours ago
Select Delta flight, departing Fri, Jun 5 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Sun, Jun 7, priced at $347 found 18 hours ago
Fri, Oct 23 - Sun, Oct 25
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$349 Roundtrip, found 8 hours ago
$349
Roundtrip
found 8 hours ago
Select Delta flight, departing Fri, Oct 23 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Sun, Oct 25, priced at $349 found 8 hours ago
Fri, Jun 5 - Sun, Jun 7
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$357 Roundtrip, found 18 hours ago
$357
Roundtrip
found 18 hours ago
Select Delta flight, departing Fri, Jun 5 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Sun, Jun 7, priced at $357 found 18 hours ago
Fri, Oct 23 - Sun, Oct 25
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$359 Roundtrip, found 8 hours ago
$359
Roundtrip
found 8 hours ago
Select Delta flight, departing Fri, Oct 23 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Sun, Oct 25, priced at $359 found 8 hours ago
Fri, May 29 - Fri, Jun 5
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$362 Roundtrip, found 6 days ago
$362
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, May 29 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Fri, Jun 5, priced at $362 found 6 days ago
Wed, Aug 12 - Thu, Aug 20
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$366 Roundtrip, found 1 day ago
$366
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 12 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Thu, Aug 20, priced at $366 found 1 day ago
Wed, Aug 12 - Thu, Aug 20
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$376 Roundtrip, found 1 day ago
$376
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 12 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Thu, Aug 20, priced at $376 found 1 day ago
Thu, Jun 25 - Sun, Jul 5
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$391 Roundtrip, found 3 hours ago
$391
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Jun 25 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Sun, Jul 5, priced at $391 found 3 hours ago

Frequently asked questions

What route does flight number DL2123 take?
DL2123 is used on a range of routes. Most often, DL2123 flies directly from ATL to Sea-Tac Airport. If that's your chosen flight path, you'll be airborne for about 5 hours and 13 minutes.
How often is DL2123 on time?
Delta flight number DL2123 from ATL to Seattle - Tacoma Intl. Airport (SEA) touches down according to schedule 95% of the time, which means you can breathe easy knowing that you will reach your destination ASAP. On the odd occasion that it is behind schedule, the average delay time is 17 minutes. This flight has a 4.4-star rating.
What terminal does DL2123 fly out of?
Terminal S is where you'll most likely depart from if you're booked on a flight leaving from Hartsfield–Jackson Atlanta International Airport. ATL to SEA is the most popular route for flight number DL2123.
What kind of plane is on flight number DL2123?
If you've booked a seat on flight DL2123 from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to SEA, you're likely to be heading off on the Boeing 737-900. This flight number serves several 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 DL2123 flight with Travelocity, please visit our Customer Service Portal.