No clear winner: United’s DEN → SJU flights land within a few points of 84% 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.
Airlines on this route
Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
| United | 333 | 84% | 0.3% | 50 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.
| UA 1339 | DEN 09:43 | SJU 17:38 | 84% |
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.
| United | DEN | SJU | 5h 55m | 84% | 0.3% | 333 | Flying now |
Alternatives with one stop
All connections →| SouthwestDetails → | DEN 05:00 → MCO 10:40WN 4854 | 1h 30m Orlando | MCO 12:10 → SJU 15:05WN 1465 | 8h 05m | 100% | 88% |
| SouthwestDetails → | DEN 23:55 → MCO 05:40WN 1597 | 2h 10m Orlando | MCO 07:50 → SJU 10:45 +1WN 2702 | 8h 50m | 100% | 85% |
| UnitedDetails → | DEN 10:07 → IAH 13:40UA 1129 | 1h 23m Houston | IAH 15:03 → SJU 20:38UA 701 | 8h 31m | 85% | 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