Delta Air Lines DL3974 Landed BOS Boston → ORD Chicago 2h 26m 1,392km / 859mi 29. Jul 2023 DEPARTURE 09:13 EDT 13:13 UTC 08:40 +33 minutes TERMINAL: A GATE: A11 ARRIVAL 10:39 CDT 15:39 UTC 10:36 +3 minutes TERMINAL: 5 GATE: M4 Embraer E175 (long-wing) N260SY AIRLINE Delta Air Lines DL / DAL FLIGHTS/WEEK 139 PUNCTUALITY 80%