Flights Houston → Atlanta
IAH → ATL
Route overview
The flight route from Houston to Atlanta operates with an average on-time performance of 81%, experiencing a mean delay of 11.2 minutes per flight. Over the course of a year, this route sees approximately 1303 flights using various aircraft models including the McDonnell Douglas MD-88, Boeing 717, Airbus A319, and Embraer 170, serving one of the busiest airports in terms of annual passenger traffic.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Houston (IAH) → Atlanta (ATL) route is operated by Air France, ITA Airways, Delta Air Lines, KLM Royal Dutch Airlines, United Airlines. Across 1665 flights monitored in recent months, 80% arrived on time (within 15 min of schedule), with an average delay of 12 minutes. The cancellation rate is 2.28%. FlightGuard's average computed risk is 23.8/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Atlanta the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Houston the average ATFM delay is 2.0 minutes.
Heading to Atlanta: what to expect in this direction
Flying from Houston (IAH) to Atlanta (ATL) heads north-east for about 1,108 km, a flight time of roughly 1h 48m.
Departures from Houston on this leg cluster in the overnight window: about 40% of IAH-ATL flights take off then.
Air-traffic congestion: departing Houston the average ATFM delay is 2.0 min (atfm); arriving into Atlanta it is 2.0 min (atfm).
Across 1,665 tracked IAH-ATL flights, 80% left on time with an average delay of 12 min and a 2.3% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| KLM Royal Dutch Airlines (KL) | 84% | 20 min | 0.0% |
| Air France (AF) | 82% | 18 min | 3.3% |
| Delta Air Lines (DL) | 80% | 8 min | 1.8% |
| United Airlines (UA) | 74% | 10 min | 6.9% |
| ITA Airways (AZ) | 59% | 35 min | 4.9% |
Airlines operating IAH-ATL
Airports
Frequently asked questions about IAH-ATL
On the Houston (IAH) -> Atlanta (ATL) route, on-time performance is 80% with an average delay of 12 minutes, based on 1665 tracked flights.
The cancellation rate on Houston-Atlanta is 2.28% across 1665 monitored flights.
The route is operated by 5 airlines: Air France, ITA Airways, Delta Air Lines, KLM Royal Dutch Airlines, United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Atlanta, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
