No clear winner: Southwest’s SMF → BWI flights land within a few points of 86% on time whatever the hour.
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 1 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 3622 | SMF 21:40 | BWI 05:35 | 4h 55m | 58 | 83% | 0.0% | 26 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 | SMF | BWI | 4h 55m | 86% | 0.8% | 364 | Flying now |
Alternatives with one stop
All connections →| SouthwestDetails → | SMF 23:50 → MDW 05:45WN 3802 | 1h 15m Chicago | MDW 07:00 → BWI 09:45 +1WN 2742 | 6h 55m | 97% | 87% |
| SouthwestDetails → | SMF 10:15 → DEN 13:35WN 3774 | 1h 00m Denver | DEN 14:35 → BWI 20:00WN 1045 | 6h 45m | 96% | 63% |
| SouthwestDetails → | SMF 05:15 → MDW 11:10WN 2728 | 50m Chicago | MDW 12:00 → BWI 14:50WN 2744 | 6h 35m | 82% | 58% |
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