No clear winner: Delta’s RDU → SLC flights land within a few points of 84% 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.
Airlines on this route
Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
| Delta | 383 | 84% | 1.3% | 61 min |
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.
| DL 967 | RDU 07:00 | SLC 09:36 | 89% |
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.
| Delta | RDU | SLC | 4h 40m | 84% | 1.3% | 383 | Flying now |
Alternatives with one stop
All connections →| DeltaDetails → | RDU 07:30 → ATL 08:59DL 2478 | 1h 06m Atlanta | ATL 10:05 → SLC 12:10DL 387 | 6h 40m | 93% | 84% |
| DeltaDetails → | RDU 05:20 → ATL 06:44DL 1552 | 1h 31m Atlanta | ATL 08:15 → SLC 10:15DL 830 | 6h 55m | 97% | 83% |
| DeltaDetails → | RDU 05:33 → DTW 07:18DL 1388 | 1h 07m Detroit | DTW 08:25 → SLC 10:23DL 698 | 6h 50m | 94% | 82% |
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