Houston to Atlanta (IAH-ATL): nonstop upgrade & award space

United Airlines, Delta Air Lines, and Frontier Airlines fly nonstop between Houston (IAH) and Atlanta (ATL), roughly 132 times a week. With this many departures on a short sector, premium cabins are small and turn over daily, so upgrade or award space opens and closes within hours. 2LNR tracks confirmed upgrade and award space on Delta Air Lines, on every IAH to ATL departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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132
Nonstop flights a week
688 mi
Nonstop distance
Free
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Houston to Atlanta flight schedule

Scheduled nonstop departures for IAH to ATL, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Houston (IAH) to Atlanta (ATL)
Date Flight Airline Departs IAH Arrives ATL Duration Aircraft
DL 1069Delta Air Lines05:4008:422h 2m321
F9 1404Frontier Airlines06:0009:322h 32m32N
DL 1315Delta Air Lines07:0010:042h 4m321
UA 1030United Airlines07:2010:322h 12m319
DL 2304Delta Air Lines08:1011:132h 3m321
DL 1585Delta Air Lines09:4412:502h 6m321
F9 4076Frontier Airlines11:1214:302h 18m32N
UA 4079United Airlines11:5515:162h 21mE7W
UA 4032United Airlines12:0715:222h 15mE7W
DL 1682Delta Air Lines12:2115:242h 3m321
DL 2709Delta Air Lines13:1516:242h 9m321
UA 1211United Airlines14:4017:522h 12m7M9
DL 1572Delta Air Lines14:4417:502h 6m321
F9 4106Frontier Airlines16:3220:042h 32m32N
DL 1223Delta Air Lines16:5920:052h 6m320
DL 1284Delta Air Lines18:0021:142h 14m321
UA 1228United Airlines18:0821:202h 12m738
UA 1260United Airlines18:0821:202h 12m738
DL 1069Delta Air Lines05:4008:422h 2m321
F9 1404Frontier Airlines06:2809:402h 12m32Q
DL 1315Delta Air Lines07:0010:042h 4m321
UA 1030United Airlines07:2010:322h 12m319
DL 2304Delta Air Lines08:1011:132h 3m321
DL 1585Delta Air Lines09:4412:502h 6m321
UA 4079United Airlines11:5515:162h 21mE7W
UA 4032United Airlines12:0715:222h 15mE7W
DL 1682Delta Air Lines12:2115:242h 3m321
DL 2709Delta Air Lines13:1516:242h 9m321
UA 1211United Airlines14:4017:522h 12m73G
DL 1572Delta Air Lines14:4417:502h 6m321
DL 1223Delta Air Lines16:5920:052h 6m320
DL 1284Delta Air Lines18:0021:142h 14m321
UA 1228United Airlines18:0821:202h 12m738
UA 1260United Airlines18:0821:202h 12m738
F9 4106Frontier Airlines21:0400:132h 9m321
DL 1069Delta Air Lines05:4008:422h 2m321
F9 1404Frontier Airlines06:0809:202h 12m321
DL 1315Delta Air Lines07:0010:042h 4m321
UA 1030United Airlines07:2010:322h 12m319
DL 2304Delta Air Lines08:1011:132h 3m321

Showing the first 40 of 123 scheduled IAH to ATL departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every IAH to ATL date on the interactive map

Confirmed upgrade & award space on IAH to ATL departures

2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Houston to Atlanta to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each IAH to ATL departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See IAH to ATL on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Houston to Atlanta nonstop

Carriers operating IAH to ATL nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See IAH to ATL on the interactive map →

Frequently asked questions about IAH to ATL

How far is Atlanta from Houston?
IAH to ATL covers about 688 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from IAH to ATL?
United Airlines, Delta Air Lines, and Frontier Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines.
How many flights a week are there from IAH to ATL?
About 132 nonstop flights a week run between Houston and Atlanta in the current schedule, operated by United Airlines, Delta Air Lines, and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from IAH to ATL depart?
Scheduled IAH to ATL nonstops in the next 7 days with service leave between 05:40 and 21:04, local time at Houston. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on IAH to ATL?
Open the IAH to ATL route on the interactive map or the matrix to see confirmed upgrade and award space by date on Delta Air Lines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss IAH to ATL upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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