Leave before 9 am: 94% depart on time. After 4 pm it’s 3 in 4.
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.
| UA 5644flown by SkyWest | SFO 18:45 | BOI 21:40 | 79% |
All 6 United 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.
| UA 4697flown by SkyWest | SFO 10:15 | BOI 13:08 | 1h 53m | 26 | 58% | 0.0% | 45 min |
| UA 6035flown by SkyWest | SFO 10:15 | BOI 13:08 | 1h 53m | 82 | 56% | 1.2% | 58 min |
| UA 267 | SFO 13:54 | BOI 16:44 | 1h 50m | 72 | 62% | 0.0% | 66 min |
| UA 5387flown by SkyWest | SFO 16:30 | BOI 19:25 | 1h 55m | 15 | 80% | 0.0% | 35 min |
| UA 5644flown by SkyWest | SFO 18:45 | BOI 21:40 | 1h 55m | 222 | 79% | 0.5% | 99 min |
| UA 6027flown by SkyWest | SFO 20:59 | BOI 23:55 | 1h 56m | 108 | 63% | 0.0% | 101 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.
| United | SFO | BOI | 1h 50m | 77% | 0.3% | 1,465 | 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