Leave before 9 am: 96% 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).
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 1090 | CHS 07:15 | BWI 08:50 | 1h 35m | 26 | 96% | 0.0% | 276 min |
| WN 1507 | CHS 08:20 | BWI 09:50 | 1h 30m | 16 | 94% | 0.0% | 16 min |
| WN 1143 | CHS 10:35 | BWI 12:10 | 1h 35m | 26 | 88% | 0.0% | 32 min |
| WN 4349 | CHS 15:00 | BWI 16:35 | 1h 35m | 16 | 73% | 6.2% | 80 min |
| WN 470 | CHS 16:10 | BWI 17:45 | 1h 35m | 34 | 41% | 2.9% | 83 min |
| WN 1144 | CHS 19:35 | BWI 21:15 | 1h 40m | 50 | 74% | 4.0% | 86 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 | CHS | BWI | 1h 30m | 83% | 1.5% | 1,229 | 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