No clear winner: Delta’s SJU → DTW flights land within a few points of 85% 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 1913 | SJU 14:14 | DTW 18:53 | 86% |
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 1913 | SJU 14:14 | DTW 18:53 | 4h 39m | 307 | 86% | 1.6% | 50 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 | SJU | DTW | 4h 55m | 85% | 1.9% | 324 | Flying now |
Alternatives with one stop
All connections →| DeltaDetails → | SJU 06:00 → ATL 09:50DL 1879 | 1h 10m Atlanta | ATL 11:00 → DTW 12:55DL 1240 | 6h 56m | 98% | 81% |
| DeltaDetails → | SJU 12:54 → ATL 16:47DL 1757 | 1h 24m Atlanta | ATL 18:11 → DTW 20:14DL 1478 | 7h 19m | 97% | 73% |
| DeltaDetails → | SJU 17:56 → ATL 21:54DL 1946 | 1h 05m Atlanta | ATL 22:59 → DTW 00:59 +1DL 2940 | 7h 03m | 90% | 64% |
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