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.
All 13 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 1849 | SFO 08:10 | IAD 16:25 | 5h 15m | 365 | 84% | 1.9% | 81 min |
| UA 1678 | SFO 08:20 | DCA 16:47 | 5h 27m | 363 | 90% | 0.6% | 49 min |
| UA 2664 | SFO 09:33 | BWI 17:57 | 5h 24m | 346 | 91% | 0.3% | 52 min |
| UA 336 | SFO 10:50 | IAD 19:11 | 5h 21m | 207 | 78% | 0.5% | 97 min |
| UA 2274 | SFO 12:45 | IAD 20:52 | 5h 07m | 35 | 66% | 0.0% | 66 min |
| UA 1791 | SFO 13:15 | IAD 21:25 | 5h 10m | 93 | 76% | 0.0% | 81 min |
| UA 2386 | SFO 14:18 | DCA 22:30 | 5h 12m | 364 | 71% | 0.5% | 58 min |
| UA 1453 | SFO 16:34 | IAD 00:55 | 5h 21m | 285 | 87% | 0.4% | 50 min |
| UA 357 | SFO 21:30 | IAD 05:53 | 5h 23m | 72 | 74% | 0.0% | 45 min |
| UA 2837 | SFO 22:35 | IAD 06:58 | 5h 23m | 72 | 67% | 0.0% | 53 min |
| UA 1340 | SFO 22:40 | BWI 07:10 | 5h 30m | 77 | 86% | 1.3% | 44 min |
| UA 2111 | SFO 23:05 | IAD 07:30 | 5h 25m | 102 | 87% | 0.0% | 39 min |
| UA 1083 | SFO 23:05 | IAD 07:30 | 5h 25m | 66 | 80% | 0.0% | 43 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.
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