IAH → ATLHouston to Atlanta

live

Direct flights from Houston (IAH) to Atlanta (ATL): 21 nonstop departures observed each week across 3 airlines. 81% of the last 54 operated flights arrived within 15 minutes of schedule. The median arrival is 18 minutes early. 1 of the 54 tracked flights was cancelled. 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 18 August 2026 at 01:26 UTC.

IAH Houston smooth · +0
ATL Atlanta smooth · +0
1,108 km · ~1h 55m est.
dep bank 05:41–20:0221x weekly
Runs reliable · 3 airlines · 21x weekly · nonstop
81% on time

of the last 54 operated IAH → ATL flights arrived within 15 minutes

Median arrival delay is −18 min. 1 of 54 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Search live fares for this route →
Median arrival−18 minacross the last 54 operated legs
Flight time~1h 55mestimated from route distance
Weekly departures21x3 direct airlines on the leg
Cancelled1.9%recent route rate · 1 of 54

Current nonstop fares

IAH → ATL · one way · economy · 1 adult

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TodayChecking…Direct airline fares
TomorrowChecking…Direct airline fares
In one weekChecking…Direct airline fares

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 LinesDL93% on time

Flights DL1069 05:41 daily · DL1315 07:00 daily · DL2709 08:05 Sa · DL644 08:05 Mo Tu We Th Fr Su

Frontier AirlinesF9100% on time

Flights F91404 varies daily · F94076 12:16 daily · F92400 20:02 Tu Th Su · F94106 20:02 Mo We Fr Sa

United AirlinesUA54% on time

Flights UA1030 07:20 daily · UA4032 12:07 Mo Tu We Th Fr Su · UA1211 14:40 Mo Tu We Th Fr Su · UA1260 18:08 daily

History

operated legs · board outcomes
08-17DL1069dep −13 → arr−25
08-17DL1223dep −9 → arr−25
08-17DL1315dep −4 → arr−20
08-17DL1572dep +31 → arr−6
08-17DL1585dep −5 → arr−17
08-17DL1682dep +8 → arr−25
08-17DL2890dep +11 → arr−33
08-17DL644dep +6 → arr+38
08-17DL9962departed+1
08-17F91404dep −1 → arr−52
08-17F94076dep +20 → arr−26
08-17UA1030dep +24 → arr−7
08-17UA1211dep +10 → arr−23
08-17UA1260dep +19 → arr−14
08-17UA4032departed+23
08-17YV4032dep +49 → arr+50
08-16DL1069dep +2 → arr−29
08-16DL1223dep −6 → arr−33
08-16DL1315dep +21 → arr−6
08-16DL1572dep −2 → arr−29
08-16DL1585dep +13 → arr−18
08-16DL1682dep +11 → arr−26
08-16DL2890dep +2 → arr−30
08-16DL644dep +73 → arr+43
08-16F91404dep +12 → arr−23
08-16F92400dep +24 → arr−25
08-16F94076dep +10 → arr−33
08-16UA1030dep +121 → arr+85
08-16UA1211dep +83 → arr+48
08-16UA1260dep +9 → arr−28
08-16UA4032departed−9
08-16YV4032dep +7 → arr+9
08-15DL1069dep −2 → arr−22
08-15DL1315dep −5 → arr−21
08-15DL1572dep −3 → arr−36
08-15DL1585dep +4 → arr−10
08-15DL1682dep −1 → arr−15
08-15DL2709dep −6 → arr−11
08-15DL2890dep −6 → arr−50
08-15F91404dep +10 → arr−42

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 +0 min smooth 🌤 few clouds · S 5 kt Full IAH delay board →
ATLAtlanta +0 min smooth 🌤 few clouds · SW 6 kt Full ATL delay board →

Weather lens

Current conditions put the pressure at IAH and ATL: 33% odds of a 15+ minute delay and around +3 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 tracks every published board update for nonstop IAH to ATL flights: 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. Fares link straight to the operating airline with no markups.

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?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. 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 05:41 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 102 flights a week between them. Compare carrier days and times in the airline list above.