Delta Flight 1100 Deals & Information (2025/2026)

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Delta Flight 1100 Route Deals From $81

The cheapest prices found with in the last 7 days for return flights were $149 and $81 for one-way flights to Philadelphia Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 19 - Sat, Aug 23
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$149 Roundtrip, found 19 hours ago
$149
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Aug 19 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Sat, Aug 23, priced at $149 found 19 hours ago

Frequently asked questions

What route does flight number DL1100 take?
You'll be landing at Phoenix Sky Harbor Intl. Airport from ATL if you've booked a ticket on flight number DL1100. You'll be airborne for 3 hours and 55 minutes during this journey. It's also good to note that the flight conveniently travels direct.
What terminal does DL1100 fly out of?
Direct flights between ATL and PHX are served by flight number DL1100, and travelers with a seat booked on this flight usually leave from Terminal S.
What kind of plane is on flight number DL1100?
There's a good chance you'll be jumping on board an Airbus A321 if your flight number is DL1100. This flight usually heads off from ATL and touches down at Phoenix Sky Harbor Intl. Airport.
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 DL1100 flight with Travelocity, please visit our Customer Service Portal.