The nonstop is quickest: Delta DCA → SLC (4h 47m), on time 3 times in 4. Delta via Omaha (8h 09m) is more reliable, 88%, but takes 3h 22m longer.
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 | 364 | 76% | 1.1% | 59 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 820 | DCA 17:50 | SLC 20:37 | 76% |
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 | DCA | SLC | 4h 47m | 76% | 1.1% | 364 | Flying now |
Alternatives with one stop
All connections →| DeltaDetails → | DCA 09:13 → CVG 10:55DL 5229 · flown by Endeavor | 1h 35m Hebron | CVG 12:30 → SLC 14:14DL 678 | 7h 01m | 95% | 85% |
| DeltaDetails → | DCA 06:00 → DTW 07:30DL 2869 | 55m Detroit | DTW 08:25 → SLC 10:23DL 698 | 6h 23m | 92% | 79% |
| UnitedDetails → | DCA 06:30 → ORD 07:46UA 1793 | 1h 09m Chicago | ORD 08:55 → SLC 11:39UA 1972 | 7h 09m | 95% | 78% |
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