Leave before 9 am: almost all depart on time. After 4 pm it’s 2 in 3.
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 Southwest flight on this route ran 150+ times in the year.
All 6 Southwest 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.
| WN 713 | ONT 06:10 | SJC 07:25 | 1h 15m | 16 | 100% | 0.0% | – |
| WN 383 | ONT 06:30 | SJC 07:50 | 1h 20m | 26 | 100% | 0.0% | – |
| WN 3162 | ONT 10:50 | SJC 12:00 | 1h 10m | 34 | 82% | 0.0% | 36 min |
| WN 2298 | ONT 12:05 | SJC 13:15 | 1h 10m | 16 | 88% | 0.0% | 96 min |
| WN 3845 | ONT 16:35 | SJC 17:45 | 1h 10m | 57 | 70% | 0.0% | 92 min |
| WN 3164 | ONT 19:55 | SJC 21:10 | 1h 10m | 57 | 65% | 0.0% | 50 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.
| Southwest | ONT | SJC | 1h 15m | 86% | 0.1% | 1,319 | 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