Leave before 9 am: 95% depart on time. After 4 pm it’s 63%.
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 864 | ONT 05:15 | PHX 06:30 | 1h 15m | 50 | 98% | 0.0% | 161 min |
| WN 4421 | ONT 08:00 | PHX 09:15 | 1h 15m | 26 | 96% | 0.0% | 18 min |
| WN 3805 | ONT 10:10 | PHX 11:25 | 1h 15m | 16 | 88% | 0.0% | 70 min |
| WN 3062 | ONT 12:45 | PHX 14:00 | 1h 15m | 26 | 88% | 0.0% | 32 min |
| WN 1450 | ONT 13:30 | PHX 14:50 | 1h 20m | 16 | 88% | 0.0% | 18 min |
| WN 4538 | ONT 16:35 | PHX 17:50 | 1h 15m | 16 | 44% | 0.0% | 32 min |
| WN 3159 | ONT 17:15 | PHX 18:35 | 1h 20m | 33 | 73% | 0.0% | 52 min |
| WN 3160 | ONT 20:42 | PHX 21:58 | 1h 15m | 50 | 48% | 0.0% | 56 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 | PHX | 1h 15m | 81% | 0.4% | 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