Delta Airlines DL521 Flight Status Tracker
DL521 is a domestic flight operated by Delta Airlines. DL521 is departing from Detroit (DTW), United States and arriving at Boston (BOS), United States. The flight distance is about 1016.69 km or 631.74 miles and flight time is 5 hours 11 minutes. Get the latest status of DL521 / DAL521 here.
Update on Dec. 3, 2025, 6:43 p.m.
Lastest Status
Arrived On time
DTW
Departure
Detroit Metropolitan Airport
Scheduled Departure:
08:50
Actual Departure:
08:49
Departure Terminal:
A Gate None
Distance:
1016.69 km / 631.74 miles or 548.97 nautical miles.
BOS
Arrival
Boston Logan International Airport
Scheduled Arrival:
13:57
Actual Arrival:
13:41
Arrival Terminal:
Gate None
Flight DL521 detail information
- Type Domestic Flight
- Route Departure Detroit (DTW), United States and arriving at Boston (BOS), United States
- Airlines Delta Airlines (DL)
- Aircraft B739
- Flight Duration 5 hours 11 minutes
- Flight Distance 1016.69 km /631.74 miles
- Operating Days Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
DL521 Airports
Departures
- Airport: Detroit Metropolitan Airport, United States
- ICAO Code: DTW
- DTW Current time: 23:46 04-Dec-2025
Arrivals
- Airport: Boston Logan International Airport, United States
- ICAO Code: BOS
- BOS Current time: 23:46 04-Dec-2025