No clear winner: United’s IAD → SLC flights land within a few points of 4 in 5 on time whatever the hour.
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 2410 | IAD 17:50 | SLC 20:46 | 80% |
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 2410 | IAD 17:50 | SLC 20:46 | 4h 56m | 331 | 80% | 1.2% | 104 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 | SLC | 4h 56m | 81% | 1.1% | 350 | Flying now |
Alternatives with one stop
All connections →| UnitedDetails → | IAD 10:13 → DEN 12:05UA 1865 | 1h 35m Denver | DEN 13:40 → SLC 15:13UA 1840 | 7h 00m | 97% | 82% |
| UnitedDetails → | IAD 08:15 → DEN 10:10UA 792 | 1h 30m Denver | DEN 11:40 → SLC 13:13UA 1963 | 6h 58m | 97% | 77% |
| UnitedDetails → | IAD 12:48 → DEN 14:42UA 1587 | 1h 47m Denver | DEN 16:29 → SLC 18:10UA 5261 · flown by SkyWest | 7h 22m | 97% | 73% |
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