Atlanta (ATL) to Houston (HOU) flights
Southwest Airlines, Delta Air Lines fly nonstop from Hartsfield Jackson Atlanta International Airport to William P. Hobby Airport, with about 53 flights a week in July 2026. The 696-mile flight takes about 2h 6m gate to gate.
- Distance
- 696 mi · 1,120 km
- Flight time
- 2h 6m
- Airlines
- 2
- Seats filled
- 75%
Airlines flying ATL to HOU
| 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 | 165,729 | 2h 6m |
| Delta Air Lines | 26 | Airbus A320-100/200, Boeing 717-200, Airbus A319 | 153,563 | 2h 5m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ATL to HOU flight schedule
13 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 6:10am and the last at 8:59pm. 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) |
|---|---|---|---|---|
| WN 1442Southwest Airlines | 6:10am | 7:15am | 16 | 94% |
| WN 440Southwest Airlines | 7:35am | 8:40am | 12 | 91% |
| DL 1509Delta Air Lines | 8:46am | 9:50am | 31 | 90% |
| WN 2722Southwest Airlines | 10:35am | 11:40am | 12 | 75% |
| DL 1195Delta Air Lines | 11:12am | 12:16pm | 26 | 84% |
| WN 210Southwest Airlines | 12:50pm | 1:55pm | 4 | n/a |
| WN 2167Southwest Airlines | 1:55pm | 3:00pm | 12 | 75% |
| DL 2381Delta Air Lines | 3:15pm | 4:25pm | 31 | 78% |
| WN 2231Southwest Airlines | 6:15pm | 7:20pm | 12 | 52% |
| WN 3530Southwest Airlines | 6:35pm | 7:40pm | 16 | 63% |
| WN 2650Southwest Airlines | 7:30pm | 8:35pm | 4 | n/a |
| WN 3169Southwest Airlines | 8:10pm | 9:20pm | 12 | 75% |
| DL 2051Delta Air Lines | 8:59pm | 10:05pm | 31 | 72% |
Is ATL to HOU on time?
From September 2025 to August 2026, 80% of 2,847 flights arrived within 15 minutes of schedule and 1.4% were cancelled. Flights leaving around 6am were the most punctual (93%), those around 8pm the least (59%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (43%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,461 | 80% | 13 min | 0.8% |
| Delta Air Lines | 1,386 | 81% | 12 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 |
|---|---|---|---|
| 6am to 7am | 292 | 93% | |
| 8am to 9am | 368 | 89% | |
| 9am to 10am | 146 | 86% | |
| 11am to 12pm | 260 | 89% | |
| 12pm to 1pm | 215 | 83% | |
| 1pm to 2pm | 110 | 89% | |
| 2pm to 3pm | 146 | 83% | |
| 3pm to 4pm | 226 | 76% | |
| 4pm to 5pm | 207 | 78% | |
| 6pm to 7pm | 196 | 67% | |
| 7pm to 8pm | 89 | 55% | |
| 8pm to 9pm | 154 | 59% | |
| 9pm to 10pm | 285 | 77% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 261 | 29,933 | |
| September 2025 | 250 | 28,897 | |
| October 2025 | 254 | 31,189 | |
| November 2025 | 248 | 27,004 | |
| December 2025 | 250 | 28,270 | |
| January 2026 | 213 | 19,199 | |
| February 2026 | 198 | 19,568 | |
| March 2026 | 232 | 26,223 | |
| April 2026 | 234 | 26,021 | |
| May 2026 | 235 | 28,530 | |
| June 2026 | 231 | 26,587 | |
| July 2026 | 234 | 27,871 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.