Leave before 9 am: almost all depart on time. After 4 pm it’s 82%.
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.
| UA 1938 | IAD 17:50 | PHX 19:46 | 82% |
All 1 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 1938 | IAD 17:50 | PHX 19:46 | 4h 56m | 361 | 82% | 0.8% | 73 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 | PHX | 5h 10m | 87% | 0.8% | 730 | Flying now |
Alternatives with one stop
All connections →| UnitedDetails → | IAD 06:30 → IAH 08:39UA 1935 | 1h 01m Houston | IAH 09:40 → PHX 10:34UA 1895 | 7h 04m | 100% | 85% |
| UnitedDetails → | IAD 08:15 → DEN 10:10UA 792 | 1h 15m Denver | DEN 11:25 → PHX 12:25UA 1686 | 7h 10m | 95% | 82% |
| UnitedDetails → | IAD 12:48 → DEN 14:42UA 1587 | 53m Denver | DEN 15:35 → PHX 16:35UA 1254 | 6h 47m | 86% | 70% |
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