The nonstop is quickest: American DCA → SAT (3h 41m), on time 56% of the time. United via Bush (5h 46m) is more reliable, 85%, but takes 2h 05m 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.
| American | 350 | 57% | 2.0% | 83 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.
| AA 1947 | DCA 18:32 | SAT 21:13 | 57% |
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.
| American | DCA | SAT | 3h 41m | 57% | 2.0% | 350 | Flying now |
Alternatives with one stop
All connections →| SouthwestDetails → | DCA 06:10 → BNA 07:00WN 1425 | 1h 00m Nashville | BNA 08:00 → SAT 10:20WN 663 | 5h 10m | 87% | 75% |
| SouthwestDetails → | DCA 06:15 → HOU 08:25WN 1432 | 1h 00m Houston | HOU 09:25 → SAT 10:25WN 1432 | 5h 10m | 90% | 73% |
| DeltaDetails → | DCA 06:59 → ATL 08:51DL 330 | 51m Atlanta | ATL 09:42 → SAT 11:10DL 1121 | 5h 11m | 85% | 68% |
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