Leave before 9 am: 93% depart on time. After 4 pm it’s 62%.
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 7 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 4122 | MDW 07:40 | PHL 10:42 | 2h 02m | 50 | 94% | 0.0% | 34 min |
| WN 4901 | MDW 09:00 | PHL 11:55 | 1h 55m | 25 | 96% | 0.0% | 22 min |
| WN 3222 | MDW 09:10 | PHL 12:10 | 2h 00m | 24 | 96% | 0.0% | 24 min |
| WN 4351 | MDW 13:40 | PHL 16:45 | 2h 00m | 57 | 57% | 1.8% | 108 min |
| WN 4948 | MDW 15:22 | PHL 18:22 | 2h 00m | 50 | 60% | 6.0% | 115 min |
| WN 3554 | MDW 18:20 | PHL 21:22 | 2h 02m | 16 | 64% | 12.5% | 104 min |
| WN 4263 | MDW 18:55 | PHL 21:50 | 2h 00m | 41 | 51% | 4.9% | 112 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 | MDW | PHL | 1h 55m | 77% | 1.7% | 1,454 | 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