No clear winner: Alaska’s BOS → SFO flights land within a few points of 3 in 5 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 Alaska flight on this route ran 150+ times in the year.
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.
| Alaska | BOS | SFO | 6h 40m | 61% | 0.6% | 173 | Not flying now |
Alternatives with one stop
All connections →| AlaskaDetails → | BOS 08:28 → SAN 11:43AS 256 | 1h 47m San Diego | SAN 13:30 → SFO 15:14AS 3352 · flown by SkyWest | 9h 46m | 92% | 68% |
| AlaskaDetails → | BOS 07:03 → SEA 10:26AS 459 | 2h 54m Seattle | SEA 13:20 → SFO 15:31AS 680 | 11h 28m | 99% | 67% |
| AlaskaDetails → | BOS 06:03 → PDX 09:19AS 311 | 1h 23m Portland | PDX 10:42 → SFO 12:39AS 1445 | 9h 36m | 96% | 51% |
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