The best bet has a stop: United via Denver (6h 20m) reaches Sacramento on time 9 times in 10, against 80% 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 | 676 | 80% | 0.1% | 54 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 1148 | IAH 20:35 | SMF 22:43 | 79% |
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 | IAH | SMF | 4h 21m | 80% | 0.1% | 676 | Flying now |
Alternatives with one stop
All connections →| UnitedDetails → | IAH 05:15 → DEN 06:47UA 1874 | 1h 13m Denver | DEN 08:00 → SMF 09:35UA 2149 | 6h 20m | 97% | 91% |
| UnitedDetails → | IAH 05:22 → SFO 07:22UA 487 | 55m San Francisco | SFO 08:17 → SMF 09:25UA 5220 · flown by SkyWest | 6h 03m | 96% | 78% |
| DeltaDetails → | IAH 16:09 → LAX 17:30DL 1143 | 1h 21m Los Angeles | LAX 18:51 → SMF 20:25DL 3759 · flown by SkyWest | 6h 16m | 85% | 74% |
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