Leave before 9 am: 95% depart on time. After 4 pm it’s 3 in 5.
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 8 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 3150 | ONT 05:30 | LAS 06:35 | 1h 05m | 58 | 97% | 0.0% | 34 min |
| WN 3580 | ONT 08:30 | LAS 09:35 | 1h 05m | 16 | 94% | 0.0% | 19 min |
| WN 2333 | ONT 08:35 | LAS 09:40 | 1h 05m | 41 | 85% | 2.4% | 33 min |
| WN 3151 | ONT 12:40 | LAS 13:45 | 1h 05m | 26 | 64% | 3.8% | 32 min |
| WN 2126 | ONT 15:00 | LAS 16:05 | 1h 05m | 26 | 85% | 0.0% | 34 min |
| WN 873 | ONT 16:10 | LAS 17:20 | 1h 10m | 16 | 81% | 0.0% | 38 min |
| WN 2213 | ONT 16:40 | LAS 17:45 | 1h 05m | 50 | 34% | 0.0% | 48 min |
| WN 372 | ONT 21:40 | LAS 22:45 | 1h 08m | 42 | 64% | 0.0% | 70 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 | LAS | 1h 05m | 78% | 0.7% | 1,748 | 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