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DAL639

LAX → BOS · Boeing 757-200 · Delta Air Lines

For travellers

Departure · Los Angeles (LAX)

Terminal 2 · Gate 22
Scheduled 06:40 · Estimated 06:35 · early
Board status: Estimated
Airborne since 06:53 (ADS-B)

Arrival · Boston (BOS)

Terminal A · Gate A19A · Baggage belt 3
Scheduled 15:14 · Landed 14:54 · early
Board status: Arrived
Landed 14:56 (ADS-B)

Board data from bos, lax, updated 248 min ago; times local to each airport.

Flight

Status
Completed
Arrival confirmed via
ADS-B (ground reading)
Departure
Los Angeles International Airport (LAX) — Los Angeles, United States
Scheduled departure
2026-10-03 13:40 UTC
Departed
2026-10-03 13:53 UTC
Arrival
General Edward Lawrence Logan International Airport (BOS) — Boston, United States
Scheduled arrival
2026-10-03 19:14 UTC
Estimated arrival
2026-10-03 18:54 UTC
Also flies as
DL639
Codeshares
KL7781, VS2204
Distance flown
4348 km
Straight-line distance
4193 km
Approach distance
82 km

Aircraft

Registration
N722TW
Type
Boeing 757-200
Seats
168 total (16 Business, 152 Economy)
CO2 (EMEP est., total)
136.2 t (2130 kg/pax Business, 671 kg/pax Economy)

Altitude & speed

Max altitude
37,025 ft
Max ground speed
542 kt
Tracked
5h 3m · 4,333 km
Altitude (ft, max 37,025)
019,99439,9870m1h 0m2h 0m3h 0m4h 0m5h 0m
Ground speed (kt, max 542)
02935850m1h 0m2h 0m3h 0m4h 0m5h 0m
Altitude (ft, max 37,025)
019,99439,9870m2h 0m4h 0m
Ground speed (kt, max 542)
02935850m2h 0m4h 0m

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

DepartedFlightRouteRegAircraftStatusDistance
2026-10-03 13:53 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N722TW Boeing 757-200 Completed 4348 km
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
2026-09-29 14:02 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N709TW Boeing 757-200 Completed 4375 km
2026-09-28 14:38 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N709TW Boeing 757-200 Completed 4365 km
2026-09-25 13:48 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N721TW Boeing 757-200 Completed 4455 km
2026-09-24 14:15 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N721TW Boeing 757-200 Completed 4359 km
2026-09-23 13:59 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N711ZX Boeing 757-200 Completed 4652 km
2026-09-22 13:59 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N710TW Boeing 757-200 Completed 4419 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
2026-09-19 13:49 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N709TW Boeing 757-200 Completed 4635 km
2026-09-18 13:46 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N711ZX Boeing 757-200 Completed 4626 km
2026-09-17 14:28 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N711ZX Boeing 757-200 Completed 4716 km
2026-09-16 14:05 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N712TW Boeing 757-200 Completed 4609 km
2026-09-15 13:57 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N1201P Boeing B767 300ER Completed 4709 km
2026-09-14 14:07 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N711ZX Boeing 757-200 Completed 4746 km
2026-09-13 13:54 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N711ZX Boeing 757-200 Completed 4621 km
2026-09-12 14:03 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N711ZX Boeing 757-200 Completed 4644 km
2026-09-11 14:02 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N721TW Boeing 757-200 Completed 4640 km
2026-09-10 14:21 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N721TW Boeing 757-200 Completed 4712 km
2026-09-09 13:53 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N707TW Boeing 757-200 Completed 4654 km
2026-09-07 13:54 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N707TW Boeing 757-200 Completed 4702 km
2026-09-06 13:49 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N712TW Boeing 757-200 Completed 4643 km
2026-09-05 13:49 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N712TW Boeing 757-200 Completed 4548 km
2026-09-04 14:50 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N712TW Boeing 757-200 Completed 4555 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
2026-08-23 13:54 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N727TW Boeing 757-200 Completed 4608 km
2026-08-22 13:53 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N707TW Boeing 757-200 Completed 6346 km
2026-08-21 13:51 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N707TW Boeing 757-200 Completed 6094 km
2026-08-20 13:49 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N717TW Boeing 757-200 Completed 8291 km
2026-08-19 13:56 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N721TW Boeing 757-200 Completed 7502 km
2026-08-18 13:50 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N721TW Boeing 757-200 Completed 13308 km
2026-08-16 20:17 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N718TW Boeing 757-200 Completed 6184 km
2026-08-14 13:49 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N709TW Boeing 757-200 Completed 6259 km
2026-08-12 13:53 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N721TW Boeing 757-200 Completed 6576 km
2026-08-11 13:48 UTC DAL639 LAX → BOS
Los Angeles → Boston
 N721TW Boeing 757-200 Completed 6366 km

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