DL639

For travellers

Departure · Los Angeles (LAX)

Terminal 3 · Gate 37A

Scheduled 06:40

Board status: Departed

Airborne since 08:04 (ADS-B)

Arrival · Boston (BOS)

Terminal A · Gate A19A · Baggage belt 3

Scheduled 15:14 · Landed 16:24 · +70 min

Board status: Arrived

Landed 17:41 (ADS-B)

Board data from bos, lax, updated 187 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

Los Angeles International Airport (LAX) — Los Angeles, United States

Scheduled departure

2026-10-02 13:40 UTC

Departed

2026-10-02 15:04 UTC

Arrival

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

Scheduled arrival

2026-10-02 19:14 UTC

Estimated arrival

2026-10-02 20:11 UTC

Codeshares

VS2204

Distance flown

4565 km

Straight-line distance

4193 km

Approach distance

154 km

Aircraft

Registration

N717TW

Type

Boeing 757-200

Seats

168 total (16 Business, 152 Economy)

CO2 (EMEP est., total)

136.2 t (671 kg/pax Economy, 2130 kg/pax Business)

Altitude & speed

Max altitude

39,025 ft

Max ground speed

578 kt

Tracked

6h 37m · 4,539 km

Altitude (ft, max 39,025)

Ground speed (kt, max 578)

Altitude (ft, max 39,025)

Ground speed (kt, max 578)

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
2026-10-02 15:04 UTC	DAL639	LAX → BOS Los Angeles → Boston	N717TW	Boeing 757-200	Completed	4565 km
2026-10-01 16:52 UTC	DAL639	LAX → BOS Los Angeles → Boston	N709TW	Boeing 757-200	Completed	4362 km
2026-09-30 13:47 UTC	DAL639	LAX → BOS Los Angeles → Boston	N709TW	Boeing 757-200	Completed	4497 km
2026-09-21 14:46 UTC	DAL639	LAX → BOS Los Angeles → Boston	N712TW	Boeing 757-200	Completed	4323 km
2026-09-20 14:05 UTC	DAL639	LAX → BOS Los Angeles → Boston	N709TW	Boeing 757-200	Completed	4649 km
2026-09-03 13:52 UTC	DAL639	LAX → BOS Los Angeles → Boston	N721TW	Boeing 757-200	Completed	4600 km
2026-09-02 13:53 UTC	DAL639	LAX → BOS Los Angeles → Boston	N707TW	Boeing 757-200	Completed	4629 km
2026-09-01 13:47 UTC	DAL639	LAX → BOS Los Angeles → Boston	N721TW	Boeing 757-200	Completed	4557 km
2026-08-31 13:54 UTC	DAL639	LAX → BOS Los Angeles → Boston	N707TW	Boeing 757-200	Completed	4997 km
2026-08-30 14:44 UTC	DAL639	LAX → BOS Los Angeles → Boston	N721TW	Boeing 757-200	Completed	4572 km
2026-08-29 17:49 UTC	DAL639	LAX → BOS Los Angeles → Boston	N718TW	Boeing 757-200	Completed	4527 km
2026-08-28 13:50 UTC	DAL639	LAX → BOS Los Angeles → Boston	N721TW	Boeing 757-200	Completed	4683 km
2026-08-27 13:48 UTC	DAL639	LAX → BOS Los Angeles → Boston	N712TW	Boeing 757-200	Completed	4620 km
2026-08-26 13:49 UTC	DAL639	LAX → BOS Los Angeles → Boston	N712TW	Boeing 757-200	Completed	4714 km
2026-08-25 13:44 UTC	DAL639	LAX → BOS Los Angeles → Boston	N712TW	Boeing 757-200	Completed	4817 km
2026-08-24 13:52 UTC	DAL639	LAX → BOS Los Angeles → Boston	N712TW	Boeing 757-200	Completed	4637 km