Delta Air Lines DL5666 Live BOS Boston → DCA Washington 1h 2m 642km / 396mi 01. Jun 2025 DEPARTURE 20:49 EDT 00:49 UTC 20:15 +34 minutes TERMINAL: A GATE: A4 ARRIVAL 21:51 EDT 01:51 UTC 22:01 -9 minutes TERMINAL: 2 GATE: B19 Embraer E175 (long-wing) N238JQ Powered by adsbexhange.com Altitude ft Speed kts Track ° AIRLINE Delta Air Lines DL / DAL FREQUENCY 6x per week DISTANCE 642km FLIGHTS/WEEK 179 PUNCTUALITY 70% CO2 EMISSIONS Economy 151kg