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Flight DL1223

Delta Air Lines · Atlanta (ATL) → Houston (IAH)

Flight DL1223 is a flight number used by Delta Air Lines between Atlanta (ATL) and Houston (IAH), a great-circle distance of about 1,108 km.

DL1223
Flight number
ATL
From
IAH
To
1,108 km
Distance
Overview

About flight DL1223Flight DL1223

DL1223 is a flight number used by Delta Air Lines between Hartsfield–Jackson Atlanta International Airport (ATL) and George Bush Intercontinental Airport (IAH), about 1,108 km apart. This page collects the flight number, airline, route and the two airports for quick lookup.

The flight index does not include departure or arrival times, aircraft or operating dates; confirm schedules, check-in and boarding times with the airline or airport.

Route

Atlanta → Houston routeRoute

ATL → IAH · 1,108 km

Airports

Departure and arrival airportsAirports

The airports this flight connects. Airports the directory covers open their own page.

Details

Flight detailsFlight details

Flight number
DL1223
Airline
Delta Air Lines
Departure airport
Hartsfield–Jackson Atlanta International Airport (ATL)
Arrival airport
George Bush Intercontinental Airport (IAH)
Great-circle distance
1,108 km
Routes listed
4
Data snapshot
October 26, 2026
Routes

Routes under this flight numberAll routes

This number appears on 4 routes; one number can be reused by codeshare partners.

RouteAirlineDistance
ATL → IAHAtlanta → HoustonDelta Air Lines1,108 km
CVG → ATLCincinnati / Covington → AtlantaDelta Air Lines602 km
IAH → ATLHouston → AtlantaDelta Air Lines1,108 km
MEM → ATLMemphis → AtlantaDelta Air Lines533 km
FAQ

Frequently asked questionsQuestions

Flight number, airline and route from the aviability.com flight index (snapshot October 26, 2026); departure and arrival times are not included. Source: aviability.com ↗