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.
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% |
All 1 Delta 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.
| DL 1166 | JFK 08:37 | SAT 11:50 | 4h 13m | 340 | 90% | 4.4% | 118 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.
| 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% |
| DeltaDetails → | JFK 19:00 → ATL 21:59DL 962 | 1h 01m Atlanta | ATL 23:00 → SAT 00:33 +1DL 1508 | 6h 33m | 80% | 62% |
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