Leave before 9 am: 92% depart on time. After 4 pm it’s barely half.
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 10 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 759 | PHX 07:50 | ONT 09:05 | 1h 15m | 42 | 93% | 0.0% | 25 min |
| WN 431 | PHX 10:05 | ONT 11:20 | 1h 15m | 26 | 88% | 0.0% | 24 min |
| WN 2603 | PHX 12:55 | ONT 14:05 | 1h 10m | 16 | 69% | 0.0% | 54 min |
| WN 670 | PHX 13:55 | ONT 15:05 | 1h 10m | 34 | 71% | 0.0% | 37 min |
| WN 149 | PHX 15:55 | ONT 17:05 | 1h 10m | 16 | 94% | 0.0% | 23 min |
| WN 3206 | PHX 18:50 | ONT 20:00 | 1h 10m | 16 | 44% | 0.0% | 40 min |
| WN 2436 | PHX 20:30 | ONT 21:40 | 1h 10m | 16 | 62% | 0.0% | 53 min |
| WN 2862 | PHX 21:00 | ONT 22:10 | 1h 10m | 33 | 36% | 0.0% | 58 min |
| WN 3313 | PHX 21:50 | ONT 23:00 | 1h 10m | 31 | 39% | 0.0% | 51 min |
| WN 223 | PHX 22:55 | ONT 00:08 | 1h 12m | 26 | 77% | 0.0% | 71 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 | PHX | ONT | 1h 15m | 75% | 0.2% | 1,610 | 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