Flight

DAL1521 7 Sep 2026

DAL1521, operated by Delta Air Lines, on 7 Sep 2026. Scheduled and actual times are local to each airport (hover for UTC).

← 6 Sep 2026All DAL1521 flights8 Sep 2026 →

Flightpartial

PlaneTrack receiver network
RouteKATL THE WILLIAM B HARTSFIELD ATLANTA INTERNATIONAL → ?
StatusPartial record (receiver network)
First seen airborne21:09 EDT 6 Sep
AircraftN721TW
Max altitude39,000 ft

Punctuality, last 30 days

Flights7
On time2 (29%)
Average delay+33 min
Worst delay+90 min

In the last 30 days DAL1521 departed on time (within 15 minutes) on 2 of 7 flights (29%), with an average departure delay of +33 min and a worst delay of +90 min.

DAL1521 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.