Leave before 9 am: 95% 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.
All 7 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 1549 | IAH 07:20 | IAD 11:28 | 3h 08m | 346 | 92% | 0.6% | 59 min |
| UA 2366 | IAH 12:13 | IAD 16:30 | 3h 17m | 347 | 82% | 0.3% | 58 min |
| UA 1478 | IAH 14:31 | IAD 18:50 | 3h 19m | 45 | 76% | 0.0% | 98 min |
| UA 2388 | IAH 16:35 | IAD 20:46 | 3h 11m | 72 | 70% | 0.0% | 74 min |
| UA 1373 | IAH 18:32 | IAD 22:43 | 3h 11m | 170 | 73% | 1.2% | 67 min |
| UA 2775 | IAH 20:20 | IAD 00:31 | 3h 11m | 37 | 73% | 0.0% | 56 min |
| UA 2767 | IAH 20:20 | IAD 00:31 | 3h 11m | 24 | 75% | 0.0% | 72 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 | IAH | IAD | 3h 08m | 82% | 0.4% | 1,871 | 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