Leave before 9 am: 93% depart on time. After 4 pm it’s 4 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 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 4847flown by CommuteAir | ROC 06:10 | IAD 07:32 | 1h 22m | 35 | 89% | 0.0% | 194 min |
| UA 4578flown by GoJet | ROC 06:10 | IAD 07:31 | 1h 21m | 33 | 91% | 3.0% | 139 min |
| UA 4476flown by GoJet | ROC 10:28 | IAD 11:49 | 1h 21m | 26 | 88% | 0.0% | 53 min |
| UA 4862flown by CommuteAir | ROC 10:28 | IAD 11:50 | 1h 22m | 29 | 89% | 3.4% | 83 min |
| UA 4521flown by GoJet | ROC 15:00 | IAD 16:21 | 1h 21m | 27 | 92% | 3.7% | 337 min |
| UA 4367flown by CommuteAir | ROC 15:00 | IAD 16:22 | 1h 22m | 149 | 85% | 2.0% | 157 min |
| UA 4861flown by CommuteAir | ROC 19:54 | IAD 21:16 | 1h 22m | 29 | 79% | 17.2% | 63 min |
| UA 4874flown by CommuteAir | ROC 19:54 | IAD 21:16 | 1h 22m | 134 | 87% | 4.5% | 194 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 | ROC | IAD | 1h 23m | 84% | 2.7% | 1,258 | 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