Delta Flight 2123 Deals & Information (2026/2027)

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Delta Flight 2123 Route Deals From $264

The cheapest prices found with in the last 7 days for return flights were $369 and $264 for one-way flights to Hancock Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 15 - Wed, Oct 21
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$369 Roundtrip, found 5 hours ago
$369
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Oct 15 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Wed, Oct 21, priced at $369 found 5 hours ago
Wed, Oct 14 - Wed, Oct 21
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$374 Roundtrip, found 5 hours ago
$374
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, Oct 14 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Wed, Oct 21, priced at $374 found 5 hours ago
Thu, Oct 15 - Wed, Oct 21
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$379 Roundtrip, found 5 hours ago
$379
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Oct 15 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Wed, Oct 21, priced at $379 found 5 hours ago
Tue, Nov 17 - Mon, Nov 30
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$389 Roundtrip, found 5 days ago
$389
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 17 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Mon, Nov 30, priced at $389 found 5 days ago
Tue, Nov 17 - Mon, Nov 30
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$399 Roundtrip, found 5 days ago
$399
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 17 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Mon, Nov 30, priced at $399 found 5 days ago
Thu, Oct 15 - Wed, Oct 21
ATL
Hartsfield-Jackson Atlanta Intl.
SYR
Hancock Intl.
$414 Roundtrip, found 5 hours ago
$414
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Oct 15 from Hartsfield-Jackson Atlanta Intl. to Hancock Intl., returning Wed, Oct 21, priced at $414 found 5 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.