Flight

DAL821 11 May 2026

DAL821, operated by Delta Air Lines, on 11 May 2026: The William B Hartsfield Atlanta International (KATL) to General Edward Lawrence Logan International (KBOS), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 10 May 2026All DAL821 flights12 May 2026 →

Leg 1 of 2

PlaneTrack receiver network
RouteKATL THE WILLIAM B HARTSFIELD ATLANTA INTERNATIONAL → KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne20:16 EDT 10 May
Last seen22:12 EDT 10 May
Duration1h 55m
AircraftN504DZ
Max altitude35,050 ft
Distance tracked821 nm

Leg 2 of 2partial

PlaneTrack receiver network
RouteKATL THE WILLIAM B HARTSFIELD ATLANTA INTERNATIONAL → ?
StatusPartial record (receiver network)
First seen airborne08:05 EDT
AircraftN504DZ
Max altitude35,050 ft

Punctuality, last 30 days

Flights9
On time1 (11%)
Average delay-99 min
Worst delay+110 min

In the last 30 days DAL821 departed on time (within 15 minutes) on 1 of 9 flights (11%), with an average departure delay of -99 min and a worst delay of +110 min.

DAL821 flight history Full history CSV API access

Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.