ATL → IAHAtlanta to Houston

live

Direct flights from Atlanta (ATL) to Houston (IAH): 23 nonstop departures observed each week across 4 airlines. 80% of the last 5 operated flights arrived within 15 minutes of schedule. The median arrival is 3 minutes early. No cancellations were recorded across the 5 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 Atlanta and Houston. Updated 7 September 2026 at 14:53 UTC.

ATL Atlanta smooth · +11
IAH Houston smooth · +0
1,108 km · ~1h 55m est.
dep bank 06:07–22:4323x weekly
Runs reliable · 4 airlines · 23x weekly · nonstop
80% on time

of the last 5 operated ATL → IAH flights arrived within 15 minutes

Median arrival delay is −3 min. 0 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−3 minacross the last 5 operated legs
Flight time~1h 55mestimated from route distance
Weekly departures23x4 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Delta Air LinesFrontier AirlinesSilk Way West 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
Frontier AirlinesF9

Flights F91403 06:07 daily · F92399 varies Mo Th Fr Su · F94075 21:00 daily

Silk Way West Airlines7L

Flights 7L8587 varies Tu Th

United AirlinesUA

Flights UA532 07:05 daily · UA425 11:40 daily · UA3987 16:03 daily · UA2376 18:57 Mo Tu We Th Fr Su

History

operated legs · board outcomes
09-07DL1585dep +25 → arr−3
09-07F91403departed+26
09-07F92399departed+11
09-07UA532dep +13 → arr−31
09-06DL1601arrived−19

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
ATLAtlanta +11 min smooth 🌤 mostly cloudy · ESE 10 kt Full ATL delay board →
IAHHouston +0 min smooth 🌤 scattered clouds · W 8 kt Full IAH delay board →

Weather lens

Current conditions put the pressure at ATL and IAH: 32% odds of a 15+ minute delay and around +2 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Atlanta to Houston route actually runs

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

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

ATL to IAH questions

Is ATL–IAH running on time right now?

Smooth skies ahead. The departure side at ATL is the weaker end, route health score 92/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on ATL–IAH?

Operators schedule morning departures around 06:07 and evening departures around 18:57 from ATL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the IAH delay card to confirm conditions when you'd arrive.

How long is the flight from ATL to IAH?

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 ATL–IAH fly?

4 carriers operate this route, around 102 flights a week between them. Compare carrier days and times in the airline list above.