No clear winner: Delta’s BOS → SAT flights land within a few points of 78% 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.
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 2652 | BOS 10:30 | SAT 14:03 | 81% |
All 2 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.
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 | BOS | SAT | 4h 33m | 78% | 2.2% | 356 | Flying now |
Alternatives with one stop
All connections →| DeltaDetails → | BOS 06:06 → JFK 07:25DL 2611 | 1h 12m New York | JFK 08:37 → SAT 11:50DL 1166 | 6h 44m | 96% | 81% |
| DeltaDetails → | BOS 05:30 → ATL 08:15DL 2242 | 1h 27m Atlanta | ATL 09:42 → SAT 11:10DL 1121 | 6h 40m | 100% | 80% |
| DeltaDetails → | BOS 08:05 → ATL 10:49DL 923 | 1h 26m Atlanta | ATL 12:15 → SAT 13:38DL 1408 | 6h 36m | 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