Delta Air Lines DL1780 On Time BOS Boston → SJU San Juan 4h 1m 2,704km / 1,669mi 24. May 2025 DEPARTURE 08:20 EDT 12:20 UTC 0 minutes TERMINAL: E GATE: E4 ARRIVAL 12:21 AST 16:21 UTC TERMINAL: B GATE: B9 AIRLINE Delta Air Lines DL / DAL FREQUENCY daily DISTANCE 2,704km FLIGHTS/WEEK 38 PUNCTUALITY 71% CO2 EMISSIONS Economy 269kg Eco+ 295kg Business 823kg