Houston (HOU) to Atlanta (ATL) flights
Southwest Airlines, Delta Air Lines fly nonstop from William P. Hobby Airport to Hartsfield Jackson Atlanta International Airport, with about 53 flights a week in July 2026. The 696-mile flight takes about 1h 55m gate to gate.
- Distance
- 696 mi · 1,120 km
- Flight time
- 1h 55m
- Airlines
- 2
- Seats filled
- 75%
Airlines flying HOU to ATL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 27 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 169,624 | 1h 53m |
| Delta Air Lines | 26 | Airbus A320-100/200, Boeing 717-200, Airbus A319 | 152,061 | 1h 58m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
HOU to ATL flight schedule
11 flight numbers flew this route in August 2026, 6 of them almost daily. The first usually leaves at 6:00am and the last at 6:35pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| DL 2557Delta Air Lines | 6:00am | 9:00am | 31 | 89% |
| WN 2446Southwest Airlines | 6:00am | 9:00am | 12 | 100% |
| WN 1186Southwest Airlines | 10:00am | 1:05pm | 12 | 75% |
| DL 1509Delta Air Lines | 10:50am | 1:56pm | 31 | 89% |
| DL 1195Delta Air Lines | 1:13pm | 4:22pm | 26 | 79% |
| WN 1700Southwest Airlines | 2:40pm | 5:45pm | 10 | 50% |
| WN 1888Southwest Airlines | 2:40pm | 5:45pm | 28 | 54% |
| WN 4257Southwest Airlines | 2:50pm | 5:55pm | 4 | n/a |
| DL 2381Delta Air Lines | 5:20pm | 8:34pm | 31 | 76% |
| WN 621Southwest Airlines | 5:45pm | 8:50pm | 10 | 80% |
| WN 2217Southwest Airlines | 6:35pm | 9:40pm | 24 | 52% |
Is HOU to ATL on time?
From September 2025 to August 2026, 79% of 2,850 flights arrived within 15 minutes of schedule and 1.3% were cancelled. Flights leaving around 6am were the most punctual (90%), those around 5pm the least (69%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (44%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,464 | 74% | 14 min | 0.6% |
| Delta Air Lines | 1,386 | 85% | 16 min | 2.1% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 5am to 6am | 102 | 93% | |
| 6am to 7am | 348 | 90% | |
| 7am to 8am | 58 | 93% | |
| 10am to 11am | 448 | 86% | |
| 11am to 12pm | 211 | 87% | |
| 12pm to 1pm | 95 | 77% | |
| 1pm to 2pm | 226 | 83% | |
| 2pm to 3pm | 241 | 75% | |
| 3pm to 4pm | 82 | 70% | |
| 4pm to 5pm | 64 | 75% | |
| 5pm to 6pm | 383 | 69% | |
| 6pm to 7pm | 265 | 75% | |
| 7pm to 8pm | 111 | 63% | |
| 8pm to 9pm | 79 | 49% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 262 | 29,271 | |
| September 2025 | 250 | 28,716 | |
| October 2025 | 255 | 31,530 | |
| November 2025 | 248 | 28,385 | |
| December 2025 | 251 | 27,613 | |
| January 2026 | 212 | 19,614 | |
| February 2026 | 198 | 19,513 | |
| March 2026 | 230 | 26,330 | |
| April 2026 | 234 | 25,462 | |
| May 2026 | 238 | 28,978 | |
| June 2026 | 229 | 27,682 | |
| July 2026 | 235 | 28,591 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.