Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 3 in 4.
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 United flight on this route ran 150+ times in the year.
All 8 United 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.
| UA 4015flown by Mesa | IAD 08:35 | PHL 09:45 | 1h 10m | 58 | 84% | 3.4% | 37 min |
| UA 3541flown by Republic | IAD 12:55 | PHL 14:10 | 1h 15m | 37 | 86% | 0.0% | 41 min |
| UA 4335flown by CommuteAir | IAD 12:55 | PHL 14:10 | 1h 15m | 14 | 71% | 0.0% | 93 min |
| UA 4541flown by GoJet | IAD 12:55 | PHL 14:09 | 1h 14m | 34 | 85% | 0.0% | 38 min |
| UA 4534flown by GoJet | IAD 17:35 | PHL 18:54 | 1h 19m | 36 | 66% | 11.1% | 82 min |
| UA 4836flown by CommuteAir | IAD 17:35 | PHL 18:55 | 1h 20m | 35 | 67% | 5.7% | 85 min |
| UA 3502flown by Republic | IAD 22:10 | PHL 23:20 | 1h 10m | 35 | 76% | 5.7% | 92 min |
| UA 3497flown by Republic | IAD 22:34 | PHL 23:44 | 1h 10m | 34 | 88% | 5.9% | 102 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.
| United | IAD | PHL | 1h 14m | 80% | 2.7% | 1,104 | 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