Take the nonstop: Delta JFK → SAT (4h 32m) reaches San Antonio on time 86% of the time; the most reliable connection, Delta via Atlanta (6h 10m), 75%.
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 | 362 | 89% | 4.1% | 116 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 1166 | JFK 08:37 | SAT 11:50 | 90% |
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 | JFK | SAT | 4h 32m | 89% | 4.1% | 362 | Flying now |
Alternatives with one stop
All connections →| DeltaDetails → | JFK 06:00 → ATL 08:24DL 2286 | 1h 18m Atlanta | ATL 09:42 → SAT 11:10DL 1121 | 6h 10m | 93% | 75% |
| DeltaDetails → | JFK 08:40 → ATL 11:14DL 2227 | 1h 01m Atlanta | ATL 12:15 → SAT 13:38DL 1408 | 6h 01m | 87% | 71% |
| AmericanDetails → | JFK 06:30 → DFW 09:29AA 475 | 1h 11m Dallas-Fort Worth | DFW 10:40 → SAT 11:52AA 3778 · flown by Envoy | 6h 22m | 96% | 66% |
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