Leave before 9 am: 94% depart on time. After 4 pm it’s 2 in 3.
Time of day × airport
Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).
Airlines on this route
Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
| Southwest | 4,047 | 82% | 2.2% | 61 min |
Flights, best and worst
Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
| WN 1636 | HOU 06:00 | DAL 07:05 | 95% |
| WN 4 | HOU 07:00 | DAL 08:10 | 94% |
| WN 16 | HOU 10:25 | DAL 11:35 | 91% |
| WN 8 | HOU 08:00 | DAL 09:10 | 88% |
| WN 22 | HOU 11:30 | DAL 12:40 | 86% |
| · · · | |||
| WN 40 | HOU 16:00 | DAL 17:10 | 75% |
| WN 46 | HOU 17:30 | DAL 18:40 | 73% |
| WN 54 | HOU 20:30 | DAL 21:40 | 72% |
Nonstops by airline and airport
Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
| Southwest | HOU | DAL | 1h 10m | 82% | 2.2% | 4,047 | Flying now |
About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON