DL571

For travellers

Departure · Boston (BOS)

Terminal A · Gate A13

Scheduled 17:15 · Departed 17:15

Board status: Departed

Airborne since 17:30 (ADS-B)

Arrival · Boston (BOS)

Terminal A · Gate A19 · Baggage belt 4

Scheduled 04 Oct 06:40 · Estimated 04 Oct 06:32 · early

Board status: On Time

In the air (100% of the route flown)

Board data from bos, updated 54 min ago; times local to each airport.

Flight

Status

In progress

Departure

General Edward Lawrence Logan International Airport (BOS) — Boston, United States

Scheduled departure

2026-10-03 21:15 UTC

Departed

2026-10-03 21:30 UTC

Arrival

San Diego International Airport (SAN) — San Diego, United States (scheduled)

Scheduled arrival

2026-10-04 03:20 UTC

Estimated arrival

2026-10-04 03:28 UTC

Progress

100%

Distance flown

4244 km

Straight-line distance

4156 km

Aircraft

Registration

N544DN

Type

Airbus A321 Neo

Seats

194 total (132 Economy, 42 Delta Comfort+, 20 First)

CO2 (EMEP est., total)

92.7 t (463 kg/pax Economy, 606 kg/pax Business)

Altitude & speed

Max altitude

34,050 ft

Max ground speed

473 kt

Tracked

6h 7m · 4,244 km

Note

still in progress - the track so far

Altitude (ft, max 34,050)

Ground speed (kt, max 473)

Altitude (ft, max 34,050)

Ground speed (kt, max 473)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Delta Air Lines (DAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-03 21:30 UTC	DAL571	BOS → SAN Boston → San Diego	N544DN	Airbus A321 Neo	In progress	~4156 km est.
2026-10-03 05:19 UTC	DAL571	SAN → BOS San Diego → Boston	N550DN	Airbus A321 Neo	Completed (landing confirmed by airport data)	4290 km
2026-10-02 21:20 UTC	DAL571	BOS → SAN Boston → San Diego	N550DN	Airbus A321 Neo	Completed	4275 km
2026-10-02 06:08 UTC	DAL571	SAN → BOS San Diego → Boston	N515DE	Airbus A321 Neo	Completed (landing confirmed by airport data)	4339 km
2026-10-01 22:26 UTC	DAL571	BOS → SAN Boston → San Diego	N515DE	Airbus A321 Neo	Completed	4287 km
2026-10-01 05:14 UTC	DAL571	SAN → BOS San Diego → Boston	N520DE	Airbus A321 Neo	Completed	4245 km
2026-09-30 21:55 UTC	DAL571	BOS → SAN Boston → San Diego	N520DE	Airbus A321 Neo	Completed	4393 km
2026-09-30 05:12 UTC	DAL571	SAN → BOS San Diego → Boston	N502DX	Airbus A321 Neo	Completed	4303 km
2026-09-29 21:11 UTC	DAL571	BOS → SAN Boston → San Diego	N502DX	Airbus A321 Neo	Completed	4373 km