The best bet has a stop: United via Bush (8h 37m) reaches Sacramento on time 95% of the time, against 81% on the nonstop.
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.
| United | 365 | 82% | 1.4% | 58 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.
| UA 2435 | IAD 17:55 | SMF 20:40 | 83% |
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.
| United | IAD | SMF | 5h 58m | 82% | 1.4% | 365 | Flying now |
Alternatives with one stop
All connections →| UnitedDetails → | IAD 06:30 → IAH 08:39UA 1935 | 1h 21m Houston | IAH 10:00 → SMF 12:07UA 2773 | 8h 37m | 100% | 95% |
| UnitedDetails → | IAD 10:13 → DEN 12:05UA 1865 | 1h 30m Denver | DEN 13:35 → SMF 15:10UA 662 | 7h 57m | 97% | 80% |
| UnitedDetails → | IAD 08:15 → DEN 10:10UA 792 | 1h 20m Denver | DEN 11:30 → SMF 13:05UA 1415 | 7h 50m | 97% | 80% |
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