Leave before 9 am: 92% 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 6 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 3797 | HOU 05:25 | BWI 09:30 | 3h 05m | 58 | 95% | 1.7% | 22 min |
| WN 1960 | HOU 10:30 | BWI 14:35 | 3h 05m | 57 | 73% | 1.8% | 56 min |
| WN 184 | HOU 15:25 | BWI 19:35 | 3h 10m | 26 | 27% | 15.4% | 41 min |
| WN 1887 | HOU 15:55 | BWI 20:08 | 3h 12m | 16 | 31% | 0.0% | 66 min |
| WN 4669 | HOU 18:15 | BWI 22:25 | 3h 10m | 12 | 58% | 0.0% | 55 min |
| WN 1961 | HOU 20:35 | BWI 00:35 | 3h 05m | 57 | 54% | 0.0% | 51 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 | HOU | BWI | 2h 55m | 75% | 1.4% | 1,479 | 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