Delta Flight B65123 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Delta Flight 5123 Route Deals From $84

The cheapest prices found with in the last 7 days for return flights were $137 and $84 for one-way flights to Jacksonville Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 1 - Tue, Oct 7
JFK
John F. Kennedy Intl.
JAX
Jacksonville Intl.
$137 Roundtrip, found 6 days ago
$137
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Oct 1 from John F. Kennedy Intl. to Jacksonville Intl., returning Tue, Oct 7, priced at $137 found 6 days ago
Wed, Oct 1 - Tue, Oct 7
JFK
John F. Kennedy Intl.
JAX
Jacksonville Intl.
$178 Roundtrip, found 6 days ago
$178
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Oct 1 from John F. Kennedy Intl. to Jacksonville Intl., returning Tue, Oct 7, priced at $178 found 6 days ago
Wed, Oct 1 - Tue, Oct 7
JFK
John F. Kennedy Intl.
JAX
Jacksonville Intl.
$192 Roundtrip, found 6 days ago
$192
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Oct 1 from John F. Kennedy Intl. to Jacksonville Intl., returning Tue, Oct 7, priced at $192 found 6 days ago
Tue, Aug 5 - Tue, Aug 12
JFK
John F. Kennedy Intl.
JAX
Jacksonville Intl.
$197 Roundtrip, found 2 days ago
$197
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Aug 5 from John F. Kennedy Intl. to Jacksonville Intl., returning Tue, Aug 12, priced at $197 found 2 days ago

Frequently asked questions

What route does flight number DL5123 take?
DL5123 is used on multiple routes. Mostly, DL5123 flies direct from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to McGhee Tyson Airport (TYS). If that’s your chosen flight path, you’ll be airborne for approximately 58 minutes.
What terminal does DL5123 fly out of?
You’ll most likely board from Terminal S if you’re setting off from ATL. Flight number DL5123 serves a number of different routes, but the direct flight between ATL and Knoxville Airport is the most popular one.
What kind of plane is on flight number DL5123?
It’s more than likely you’ll be boarding a Bombardier CRJ900 if you’re booked on flight number DL5123 from ATL to Knoxville Airport. This is the most commonly used aircraft on this popular 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 DL5123 flight with Travelocity, please visit our Customer Service Portal.