DAL438

For travellers

Departure · Seattle (SEA)

Gate A14

Scheduled 30 Sep 11:11 · Estimated 30 Sep 11:25 · +14 min

Board status: Now 11:25 AM

Airborne since 30 Sep 11:48 (ADS-B)

Arrival · Boston (BOS)

Terminal A · Gate A19 · Baggage belt 4

Scheduled 30 Sep 19:45 · Landed 30 Sep 19:46

Board status: Arrived

Landed 30 Sep 19:47 (ADS-B)

Board data from bos, sea, updated 4255 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

Seattle Tacoma International Airport (SEA) — Seattle, United States

Scheduled departure

2026-09-30 18:11 UTC

Departed

2026-09-30 18:48 UTC

Arrival

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

Scheduled arrival

2026-09-30 23:45 UTC

Estimated arrival

2026-09-30 23:43 UTC

Also flies as

DL438

Codeshares

AF2444, AF5927, VS3753

Distance flown

4170 km

Straight-line distance

4006 km

Approach distance

98 km

Aircraft

Registration

N547DE

Type

Airbus A321 Neo

Seats

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

CO2 (EMEP est., total)

89.6 t (585 kg/pax Business, 448 kg/pax Economy)

Altitude & speed

Max altitude

35,075 ft

Max ground speed

550 kt

Tracked

5h 19m · 4,159 km

Altitude (ft, max 35,075)

Ground speed (kt, max 550)

Altitude (ft, max 35,075)

Ground speed (kt, max 550)

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 21:14 UTC	DAL438	SEA → BOS Seattle → Boston	N597DT	Airbus A321 Neo	In progress	~4006 km est.
2026-10-02 18:29 UTC	DAL438	SEA → BOS Seattle → Boston	N544DN	Airbus A321 Neo	Completed	4141 km
2026-10-01 19:14 UTC	DAL438	SEA → BOS Seattle → Boston	N550DN	Airbus A321 Neo	Completed	4147 km
2026-09-30 18:48 UTC	DAL438	SEA → BOS Seattle → Boston	N547DE	Airbus A321 Neo	Completed	4170 km
2026-09-29 18:36 UTC	DAL438	SEA → BOS Seattle → Boston	N527DE	Airbus A321 Neo	Completed	4142 km
2026-09-28 18:24 UTC	DAL438	SEA → BOS Seattle → Boston	N519DT	Airbus A321 Neo	Completed	4111 km
2026-09-27 18:28 UTC	DAL438	SEA → BOS Seattle → Boston	N501DA	Airbus A321 Neo	Completed	4190 km
2026-09-25 18:41 UTC	DAL438	SEA → BOS Seattle → Boston	N531DA	Airbus A321 Neo	Completed	4246 km
2026-09-24 20:03 UTC	DAL438	SEA → BOS Seattle → Boston	N505DZ	Airbus A321 Neo	Completed	4182 km
2026-09-23 19:59 UTC	DAL438	SEA → BOS Seattle → Boston	N543DE	Airbus A321 Neo	Completed	4197 km
2026-09-22 17:59 UTC	DAL438	SEA → BOS Seattle → Boston	N513DA	Airbus A321 Neo	Completed	4150 km
2026-09-21 20:46 UTC	DAL438	SEA → BOS Seattle → Boston	N525DA	Airbus A321 Neo	Completed	4346 km
2026-09-20 20:24 UTC	DAL438	SEA → BOS Seattle → Boston	N501DA	Airbus A321 Neo	Completed	4144 km
2026-09-19 21:24 UTC	DAL438	SEA → BOS Seattle → Boston	N607DN	Airbus A321 Neo	Completed	4214 km
2026-09-18 18:44 UTC	DAL438	SEA → BOS Seattle → Boston	N517DN	Airbus A321 Neo	Completed	4291 km
2026-09-17 21:39 UTC	DAL438	SEA → BOS Seattle → Boston	N507DZ	Airbus A321 Neo	Completed	4335 km
2026-09-16 19:32 UTC	DAL438	SEA → BOS Seattle → Boston	N520DE	Airbus A321 Neo	Completed	4308 km
2026-09-15 18:12 UTC	DAL438	SEA → BOS Seattle → Boston	N530DE	Airbus A321 Neo	Completed	4521 km
2026-09-14 18:34 UTC	DAL438	SEA → BOS Seattle → Boston	N538DN	Airbus A321 Neo	Completed	4692 km
2026-09-13 19:08 UTC	DAL438	SEA → BOS Seattle → Boston	N534DT	Airbus A321 Neo	Completed	4480 km
2026-09-12 21:30 UTC	DAL438	SEA → BOS Seattle → Boston	N586DT	Airbus A321 Neo	Completed	4256 km
2026-09-11 21:53 UTC	DAL438	SEA → BOS Seattle → Boston	N542DE	Airbus A321 Neo	Completed	4571 km
2026-09-10 21:08 UTC	DAL438	SEA → BOS Seattle → Boston	N583DT	Airbus A321 Neo	Completed	4440 km
2026-09-09 20:44 UTC	DAL438	SEA → BOS Seattle → Boston	N514DE	Airbus A321 Neo	Completed	4398 km
2026-09-07 19:07 UTC	DAL438	SEA → BOS Seattle → Boston	N514DE	Airbus A321 Neo	Completed	4432 km
2026-09-06 21:06 UTC	DAL438	SEA → BOS Seattle → Boston	N503DZ	Airbus A321 Neo	Completed	4294 km
2026-09-05 21:37 UTC	DAL438	SEA → BOS Seattle → Boston	N605DN	Airbus A321 Neo	Completed	4255 km
2026-09-04 19:27 UTC	DAL438	SEA → BOS Seattle → Boston	N535DN	Airbus A321 Neo	Completed	4210 km
2026-09-03 19:23 UTC	DAL438	SEA → BOS Seattle → Boston	N613DN	Airbus A321 Neo	Completed	5181 km
2026-09-02 20:33 UTC	DAL438	SEA → BOS Seattle → Boston	N538DN	Airbus A321 Neo	Completed	4429 km
2026-09-01 21:52 UTC	DAL438	SEA → BOS Seattle → Boston	N525DA	Airbus A321 Neo	Completed	4271 km
2026-08-31 20:53 UTC	DAL438	SEA → BOS Seattle → Boston	N530DE	Airbus A321 Neo	Completed	4272 km
2026-08-30 18:32 UTC	DAL438	SEA → BOS Seattle → Boston	N517DN	Airbus A321 Neo	Completed	4281 km
2026-08-29 23:00 UTC	DAL438	SEA → BOS Seattle → Boston	N597DT	Airbus A321 Neo	Completed	4404 km
2026-08-29 20:39 UTC	DAL438	SEA → SEA Seattle → Seattle	N581DA	Airbus A321 Neo	Completed	~6 km est. (4 km recorded)
2026-08-28 20:42 UTC	DAL438	SEA → BOS Seattle → Boston	N548DN	Airbus A321 Neo	Completed	4342 km
2026-08-27 18:39 UTC	DAL438	SEA → BOS Seattle → Boston	N516DA	Airbus A321 Neo	Completed	4549 km
2026-08-26 18:36 UTC	DAL438	SEA → BOS Seattle → Boston	N509DT	Airbus A321 Neo	Completed	4386 km
2026-08-25 18:14 UTC	DAL438	SEA → BOS Seattle → Boston	N545DE	Airbus A321 Neo	Completed	4340 km
2026-08-24 18:51 UTC	DAL438	SEA → BOS Seattle → Boston	N510DE	Airbus A321 Neo	Completed	4318 km
2026-08-23 20:53 UTC	DAL438	SEA → BOS Seattle → Boston	N525DA	Airbus A321 Neo	Completed	4367 km
2026-08-22 21:16 UTC	DAL438	SEA → BOS Seattle → Boston	N606DN	Airbus A321 Neo	Completed	6312 km
2026-08-21 19:14 UTC	DAL438	SEA → BOS Seattle → Boston	N543DE	Airbus A321 Neo	Completed	5906 km
2026-08-20 20:08 UTC	DAL438	SEA → BOS Seattle → Boston	N513DA	Airbus A321 Neo	Completed	5303 km
2026-08-19 18:26 UTC	DAL438	SEA → BOS Seattle → Boston	N518DQ	Airbus A321 Neo	Completed	11222 km
2026-08-18 18:42 UTC	DAL438	SEA → BOS Seattle → Boston	N501DA	Airbus A321 Neo	Completed	10056 km
2026-08-17 19:28 UTC	DAL438	SEA → BOS Seattle → Boston	N543DE	Airbus A321 Neo	Completed	5435 km
2026-08-16 18:11 UTC	DAL438	SEA → BOS Seattle → Boston	N513DA	Airbus A321 Neo	Completed	5327 km
2026-08-15 12:09 UTC	DAL438	FLL → BOS Fort Lauderdale → Boston	N581DA	Airbus A321 Neo	Completed	12098 km
2026-08-12 18:30 UTC	DAL438	SEA → BOS Seattle → Boston	N526DE	Airbus A321 Neo	Completed	4969 km