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.
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 | 364 | 86% | 0.8% | 34 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.
No flight on this route ran 150+ times in the year.
All 1 flights on this route →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 →| UnitedDetails → | SMF 05:00 → DEN 08:22UA 1889 | 1h 24m Denver | DEN 09:46 → BWI 15:17UA 1362 | 7h 17m | 99% | 88% |
| SouthwestDetails → | SMF 23:50 → MDW 05:45WN 3802 | 1h 15m Chicago | MDW 07:00 → BWI 09:45 +1WN 2742 | 6h 55m | 97% | 87% |
| DeltaDetails → | SMF 13:21 → MSP 18:49DL 1701 | 56m Minneapolis | MSP 19:45 → BWI 23:13DL 2918 | 6h 52m | 90% | 70% |
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