IAH → ATLHouston to Atlanta

live

Direct flights from Houston (IAH) to Atlanta (ATL): 21 nonstop departures observed each week across 3 airlines. 100% of the last 9 operated flights arrived within 15 minutes of schedule. The median arrival is 30 minutes early. No cancellations were recorded across the 9 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 21 October 2026 at 03:12 UTC.

Today, IAH → ATL

Tue 20 Oct · local times
  1. 11:56 UA4036United Left 11:50 ATL 15:08In the air · scheduled landing
  2. 12:03 DL1682Delta Air Lines Left 12:03 Landed 14:46 −22
  3. 12:17 F94076Frontier Left 12:29 +12 Landed 14:56 −44
  4. 14:22 DL2709Delta Air Lines Left 14:14 Landed 17:02 −27
  5. 14:40 UA6141United Left 14:32 Landed 17:23 −32
  6. 16:59 DL1995Delta Air Lines Left 16:49 Landed 19:33 −31
  7. 18:08 UA2240United Left 18:02 Landed 20:47 −33
  8. 18:20 DL1131Delta Air Lines Left 18:23 Landed 21:06 −30
  9. 21:12 F94106Frontier Sched 21:12Departure not confirmed by the board ATL est. 00:04sched 00:22
  10. · YV4036Mesa Airlines Departed Landed 14:40

Checked IAH board 22:12 · ATL board 22:00

IAH Houston smooth · +5
ATL Atlanta smooth · +0
1,108 km · ~1h 55m est.
dep bank 05:29–21:1221x weekly
Runs reliable · 3 airlines · 21x weekly · nonstop
100% on time

of the last 9 operated IAH → ATL flights arrived within 15 minutes

Median arrival delay is −30 min. 0 of 9 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−30 minacross the last 9 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 05:29 daily · DL1315 07:00 daily · DL1435 08:05 Mo Tu We Th Fr Su · DL1585 09:40 daily

Frontier AirlinesF9

Flights F91404 06:05 daily · F94076 12:07 daily · F94106 21:12 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
10-20DL1131dep +3 → arr−30
10-20DL1682dep +0 → arr−22
10-20DL1995dep −10 → arr−31
10-20DL2709dep −8 → arr−27
10-20F94076dep +12 → arr−44
10-20UA2240dep −6 → arr−33
10-20UA4036departed−6
10-20UA6141dep −8 → arr−32
10-20YV4036arrived+0

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 +5 min smooth 🌤 few clouds · NNE 4 kt Full IAH delay board →
ATLAtlanta +0 min smooth 🌤 clear · NE 7 kt Full ATL delay board →

Weather lens

Current conditions put the pressure at IAH and ATL: 28% 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?

Smooth skies ahead. The departure side at IAH is the weaker end, route health score 95/100. 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 05:29 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 107 flights a week between them. Compare carrier days and times in the airline list above.