IAH → ATLHouston to Atlanta

live

Direct flights from Houston (IAH) to Atlanta (ATL): 21 nonstop departures observed each week across 3 airlines. 83% of the last 6 operated flights arrived within 15 minutes of schedule. The median arrival is 18 minutes early. No cancellations were recorded across the 6 tracked flights. The nonstop covers 1,108 km, an estimated 1 hour 55 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and Atlanta. Updated 9 October 2026 at 05:56 UTC.

IAH Houston disrupted · +128
ATL Atlanta smooth · +0
1,108 km · ~1h 55m est.
dep bank 05:40–21:0421x weekly
Runs reliable · 3 airlines · 21x weekly · nonstop
83% on time

of the last 6 operated IAH → ATL flights arrived within 15 minutes

Median arrival delay is −18 min. 0 of 6 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−18 minacross the last 6 operated legs
Flight time~1h 55mestimated from route distance
Weekly departures21x3 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Delta Air LinesFrontier AirlinesUnited Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Delta Air LinesDL

Flights DL1069 05:40 daily · DL1315 07:00 daily · DL1435 08:05 Tu We Th Fr · DL2304 08:10 Mo Tu We Th Fr Su

Frontier AirlinesF9

Flights F91404 varies daily · F94076 12:08 Mo Th Fr Su · F94106 21:04 daily

United AirlinesUA

Flights UA1030 07:20 Tu We Th Fr Su · UA6153 07:20 Mo Sa · UA4036 11:56 daily · UA6141 14:40 Mo Tu We Th Fr Su

History

operated legs · board outcomes
10-08DL1131dep −1 → arr−36
10-08DL1995dep −7 → arr−32
10-08DL2709dep +19 → arr−8
10-08UA2240dep +46 → arr+37
10-08UA6141dep −2 → arr−29
10-08UA6157dep +11 → arr−18

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
IAHHouston +128 min disrupted 🌤 clear · NNE 6 kt Full IAH delay board →
ATLAtlanta +0 min smooth 🌤 overcast · NE 4 kt Full ATL delay board →

Weather lens

Current conditions put the pressure at IAH and ATL: 29% odds of a 15+ minute delay and around +0 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Houston to Atlanta route actually runs

Pro Flight Search records official board updates for nonstop IAH to ATL flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Houston (IAH) to Atlanta (ATL) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/IAH-ATL
How we measure this →

IAH to ATL questions

Is IAH–ATL running on time right now?

Significant delay risk. The departure side at IAH is the weaker end, route health score 50/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on IAH–ATL?

Operators schedule morning departures around 05:40 and evening departures around 18:08 from IAH. Earlier flights typically land before destination-airport delays accumulate later in the day; check the ATL delay card to confirm conditions when you'd arrive.

How long is the flight from IAH to ATL?

Great-circle distance is 1,108 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 108–125 min gate-to-gate on this route.

How often does IAH–ATL fly?

3 carriers operate this route, around 117 flights a week between them. Compare carrier days and times in the airline list above.