Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s barely half.
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).
Pick an hour to see this route’s flights leaving then.
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.
No Southwest flight on this route ran 150+ times in the year.
All 7 Southwest flights in the current schedule
Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
| WN 3246 | BWI 06:50 | HOU 09:00 | 3h 10m | 57 | 81% | 0.0% | 28 min |
| WN 4158 | BWI 08:25 | HOU 10:40 | 3h 15m | 12 | 92% | 0.0% | 22 min |
| WN 956 | BWI 10:00 | HOU 12:15 | 3h 15m | 33 | 88% | 0.0% | 42 min |
| WN 757 | BWI 11:00 | HOU 13:15 | 3h 15m | 16 | 100% | 0.0% | – |
| WN 4254 | BWI 13:00 | HOU 15:15 | 3h 15m | 34 | 53% | 0.0% | 69 min |
| WN 925 | BWI 18:10 | HOU 20:25 | 3h 15m | 16 | 53% | 6.2% | 95 min |
| WN 958 | BWI 20:00 | HOU 22:15 | 3h 15m | 42 | 48% | 4.8% | 75 min |
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 | BWI | HOU | 3h 25m | 77% | 1.4% | 1,468 | 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