ATL → IAHAtlanta to Houston

live

Direct flights from Atlanta (ATL) to Houston (IAH): 117 nonstop departures observed each week across 4 airlines. 80% of the last 10 tracked flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 15 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 31 October 2026 at 02:49 UTC.

Today, ATL → IAH

Fri 30 Oct · local times
F91403FrontierIn the air, 15 min late

Left ATL at 06:15, 15 min after its 06:00 slot.

Likely landing
about 07:10middle half 07:03 to 07:20 · sched 07:23

Landing estimate from 242,457 tracked flights of 2 to 4 hours that left 15 to 29 min late. The IAH board has not posted a landing time yet. How planes make up time

Track F91403 →
UA532UnitedIn the air, 31 min late

Left ATL at 07:31, 31 min after its 07:00 slot.

Track UA532 →
  1. 06:00 F91403Frontier Left 06:15 +15 IAH about 07:10In the air · sched 07:23
  2. 07:00 UA532United Left 07:31 +31 ·
  3. 07:25 DL1585Delta Air Lines Left 07:43 +18 Landed 08:42 +7
  4. 09:20 UA2212United Airlines Left 09:45 +25 Landed 10:43 −1
  5. 09:59 DL1682Delta Air Lines Left 10:07 +8 Landed 11:03 −5
  6. 10:04 F92399Frontier Left 10:40 +36 IAH about 11:40In the air · sched 11:34
  7. 11:31 UA411United Left 12:16 +45 Landed 13:14 +19
  8. 12:15 DL2709Delta Air Lines Left 12:43 +28 Landed 13:32 +9
  9. 14:35 DL1874Delta Air Lines Left 14:43 +8 Landed 15:38 −6
  10. 15:57 UA521United Left 16:13 +16 Landed 17:11 −10
  11. 16:12 DL1131Delta Air Lines Left 16:58 +46 Landed 17:52 +29
  12. 18:55 DL1284Delta Air Lines Left 18:59 Landed 19:49 −13
  13. 18:56 UA2376United Left 19:29 +33 Landed 20:22 −4
  14. 20:54 DL1892Delta Air Lines Left 21:11 +17 IAH est. 22:09 +7In the air · sched 22:02
  15. 21:05 F94075Frontier Left 21:30 +25 IAH est. 22:08In the air · sched 22:31
  16. 22:43 DL1601Delta Air Lines On scheduleTS IAH est. 23:34sched 23:55

Checked ATL board 22:03 · IAH board 21:49

ATL Atlanta smooth · +6
IAH Houston smooth · +0
1,108 km · ~1h 55m est.
dep bank 06:00–22:43117x weekly
Runs reliable · 4 airlines · 117x weekly · nonstop
80% on time

of the last 10 tracked ATL → IAH flights arrived within 15 minutes

Median arrival delay is −1 min. 0 of 15 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−1 minacross the last 10 arrivals
Flight time~1h 55mestimated from route distance
Weekly departures117x4 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 15

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
Delta Air LinesDL83% on time

Flights DL1585 07:25 Mo Tu We Th Fr Su · DL1682 varies daily · DL2709 12:15 daily · DL1874 14:45 daily

Frontier AirlinesF9

Flights F91403 06:00 daily · F92399 varies daily · F94075 varies daily

Silk Way West Airlines7L

Flights 7L8587 varies Su

United AirlinesUA

Flights UA532 varies daily · UA2212 09:20 Mo Tu We Th Fr · UA3999 09:30 Mo Th Fr Sa Su · UA4053 11:31 Tu We Su

History

operated legs · board outcomes
10-30DL1131dep +46 → arr+29
10-30DL1284dep +4 → arr−13
10-30DL1585dep +18 → arr+7
10-30DL1682dep +8 → arr−5
10-30DL1874dep +8 → arr−6
10-30DL1892departed+17
10-30DL2709dep +28 → arr+9
10-30F91403departed+15
10-30F92399departed+36
10-30F94075departed+25
10-30UA2212dep +25 → arr−1
10-30UA2376dep +33 → arr−4
10-30UA411dep +45 → arr+19
10-30UA521dep +16 → arr−10
10-30UA532departed+31

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 +6 min smooth 🌤 mostly cloudy · E 4 kt Full ATL delay board →
IAHHouston +0 min smooth 🌤 overcast · ESE 6 kt Full IAH delay board →

Weather lens

Conditions are tightest at ATL and IAH: a 26% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +-1 min. Both figures come from the two airports' delay records in similar weather. 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 95/100. 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 06:00 and evening departures around 18:55 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 117 flights a week between them. Compare carrier days and times in the airline list above.