No clear winner: JetBlue’s BUF → SJU 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.
Airlines on this route
Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
| JetBlue | 73 | – | 1.4% | 54 min |
Dimmed: fewer than 150 flights in the year, too few to rank.
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.
No flight on this route ran 150+ times in the year.
All 1 flights on this route →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.
| JetBlue | BUF | SJU | 4h 36m | 85% | 1.4% | 73 | Flying now |
Alternatives with one stop
All connections →| DeltaDetails → | BUF 10:00 → JFK 11:24DL 5426 · flown by Endeavor | 1h 06m New York | JFK 12:30 → SJU 16:29DL 1961 | 6h 29m | 93% | 74% |
| UnitedDetails → | BUF 06:15 → IAD 07:34UA 3668 · flown by Republic | 1h 00m Dulles | IAD 08:34 → SJU 12:34UA 2021 | 6h 19m | 90% | 72% |
| SouthwestDetails → | BUF 06:05 → BWI 07:20WN 756 | 50m Baltimore | BWI 08:10 → SJU 12:25WN 4443 | 6h 20m | 88% | 65% |
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