DL1205

For travellers

Departure · Chicago (ORD)

Terminal 5 · Gate M7

Scheduled 03 Oct 17:44 · Departed 03 Oct 17:33 · early

Board status: Active

Airborne since 03 Oct 17:39 (ADS-B)

Arrival · Seattle (SEA)

Gate B3

Scheduled 03 Oct 20:20 · Estimated 03 Oct 20:06 · early

Board status: Landed

Landed 03 Oct 19:57 (ADS-B)

Board data from ord, sea, updated 547 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

Chicago O'Hare International Airport (ORD) — Chicago, United States

Scheduled departure

2026-10-03 22:44 UTC

Departed

2026-10-03 22:39 UTC

Arrival

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

Scheduled arrival

2026-10-04 03:20 UTC

Estimated arrival

2026-10-04 03:06 UTC

Codeshares

SK3508

Distance flown

2889 km

Straight-line distance

2762 km

Approach distance

57 km

Aircraft

Registration

N821DN

Type

Boeing 737-900

Seats

180 total (139 Economy, 21 Delta Comfort+, 20 First)

CO2 (EMEP est., total)

68.2 t (517 kg/pax Business, 361 kg/pax Economy)

Altitude & speed

Max altitude

38,025 ft

Max ground speed

421 kt

Tracked

4h 17m · 2,882 km

Altitude (ft, max 38,025)

Ground speed (kt, max 421)

Altitude (ft, max 38,025)

Ground speed (kt, max 421)

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 22:39 UTC	DAL1205	ORD → SEA Chicago → Seattle	N821DN	Boeing 737-900	Completed	2889 km
2026-10-02 22:54 UTC	DAL1205	ORD → SEA Chicago → Seattle	N901DN	Boeing 737-900	Completed	2909 km
2026-10-01 23:52 UTC	DAL1205	ORD → SEA Chicago → Seattle	N898DN	Boeing 737-900	Incomplete (signal lost)	~2850 km est. (1384 km recorded)
2026-09-30 23:12 UTC	DAL1205	ORD → SEA Chicago → Seattle	N934DZ	Boeing 737-900	Completed	2898 km
2026-09-29 22:52 UTC	DAL1205	ORD → SEA Chicago → Seattle	N887DN	Boeing 737-900	Incomplete (signal lost)	~2838 km est. (1367 km recorded)
2026-09-28 22:46 UTC	DAL1205	ORD → SEA Chicago → Seattle	N835DN	Boeing 737-900	Completed	2865 km
2026-09-27 23:08 UTC	DAL1205	ORD → SEA Chicago → Seattle	N809DN	Boeing 737-900	Completed	2916 km
2026-09-26 22:54 UTC	DAL1205	ORD → SEA Chicago → Seattle	N903DN	Boeing 737-900	Completed	2882 km
2026-09-25 23:00 UTC	DAL1205	ORD → SEA Chicago → Seattle	N823DN	Boeing 737-900	Completed	2855 km
2026-09-24 23:13 UTC	DAL1205	ORD → SEA Chicago → Seattle	N860DN	Boeing 737-900	Completed	2915 km
2026-09-23 22:58 UTC	DAL1205	ORD → SEA Chicago → Seattle	N913DU	Boeing 737-900	Completed	3049 km
2026-09-22 22:49 UTC	DAL1205	ORD → SEA Chicago → Seattle	N828DN	Boeing 737-900	Completed	2891 km
2026-09-22 00:00 UTC	DAL1205	ORD → SEA Chicago → Seattle	N866DN	Boeing 737-900	Completed	2910 km
2026-09-20 23:16 UTC	DAL1205	ORD → SEA Chicago → Seattle	N819DN	Boeing 737-900	Completed	2971 km
2026-09-20 00:43 UTC	DAL1205	ORD → SEA Chicago → Seattle	N874DN	Boeing 737-900	Completed	2941 km
2026-09-18 22:47 UTC	DAL1205	ORD → SEA Chicago → Seattle	N804DN	Boeing 737-900	Completed	2951 km
2026-09-18 01:21 UTC	DAL1205	ORD → SEA Chicago → Seattle	N893DN	Boeing 737-900	Completed	3016 km