DAL2851

For travellers

Departure · Seattle (SEA)

Gate A4

Scheduled 20:00

Board status: On-Time

Airborne since 19:49 (ADS-B)

Arrival · Denver (DEN)

Gate A39 · Baggage belt 10

Scheduled 23:47 · Estimated 23:33 · early

Board status: Early

In the air, ~1h 47m to go (9% of the route flown)

Board data from den, sea, updated 44 min ago; times local to each airport.

Flight

Status

In progress

Departure

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

Scheduled departure

2026-10-03 03:00 UTC

Departed

2026-10-03 02:49 UTC

Arrival

Denver International Airport (DEN) — Denver, United States (scheduled)

Scheduled arrival

2026-10-03 05:47 UTC

Estimated arrival

2026-10-03 05:33 UTC

Progress

9% · ~1h 47m remaining

Also flies as

DL2851

Codeshares

KE3495, SK3658, VS2102, WS7987

Distance flown

157 km

Straight-line distance

1645 km

Aircraft

Registration

N329DU

Type

AIRBUS / BOMBARDIER BD-500 CSeries CS300

CO2 (EMEP est., total)

35.9 t (200 kg/pax Economy, 609 kg/pax Business)

Altitude & speed

Max altitude

24,850 ft

Max ground speed

461 kt

Tracked

28m · 157 km

Note

still in progress - the track so far

Altitude (ft, max 24,850)

Ground speed (kt, max 461)

Altitude (ft, max 24,850)

Ground speed (kt, max 461)

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 02:49 UTC	DAL2851	SEA → DEN Seattle → Denver	N329DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	In progress	~1645 km est.
2026-10-02 05:21 UTC	DAL2851	SEA → DEN Seattle → Denver	N341DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1747 km
2026-10-01 04:07 UTC	DAL2851	SEA → DEN Seattle → Denver	N331DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1738 km
2026-09-30 05:13 UTC	DAL2851	SEA → DEN Seattle → Denver	N314DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	430 km
2026-09-30 03:29 UTC	DAL2851	SEA → DEN Seattle → Denver	N314DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed (landing confirmed by airport data)	~1734 km est. (1083 km recorded)
2026-09-29 03:07 UTC	DAL2851	SEA → DEN Seattle → Denver	N346DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1716 km
2026-09-28 03:00 UTC	DAL2851	SEA → DEN Seattle → Denver	N314DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1713 km
2026-09-27 03:17 UTC	DAL2851	SEA → DEN Seattle → Denver	N323DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1717 km
2026-09-26 03:13 UTC	DAL2851	SEA → DEN Seattle → Denver	N337DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1702 km
2026-09-25 03:13 UTC	DAL2851	SEA → DEN Seattle → Denver	N318DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1707 km
2026-09-24 03:08 UTC	DAL2851	SEA → DEN Seattle → Denver	N302DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1702 km
2026-09-23 03:34 UTC	DAL2851	SEA → DEN Seattle → Denver	N318DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1712 km
2026-09-22 03:14 UTC	DAL2851	SEA → DEN Seattle → Denver	N334DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1708 km
2026-09-21 03:03 UTC	DAL2851	SEA → DEN Seattle → Denver	N312DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1725 km
2026-09-20 03:02 UTC	DAL2851	SEA → DEN Seattle → Denver	N318DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1823 km
2026-09-19 03:07 UTC	DAL2851	SEA → DEN Seattle → Denver	N334DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1821 km
2026-09-18 03:02 UTC	DAL2851	SEA → DEN Seattle → Denver	N323DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1872 km
2026-09-17 05:48 UTC	DAL2851	DEN → DEN Denver → Denver	N333DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	~2 km est. (1 km recorded)
2026-09-17 03:04 UTC	DAL2851	SEA → DEN Seattle → Denver	N333DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1775 km
2026-09-16 02:46 UTC	DAL2851	SEA → DEN Seattle → Denver	N345DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1788 km
2026-09-15 03:22 UTC	DAL2851	SEA → DEN Seattle → Denver	N325DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1821 km
2026-09-14 03:05 UTC	DAL2851	SEA → DEN Seattle → Denver	N345DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1778 km
2026-09-13 03:00 UTC	DAL2851	SEA → DEN Seattle → Denver	N322DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1799 km
2026-09-12 02:55 UTC	DAL2851	SEA → DEN Seattle → Denver	N316DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1820 km
2026-09-11 02:34 UTC	DAL2851	SEA → DEN Seattle → Denver	N340DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1794 km
2026-09-10 03:02 UTC	DAL2851	SEA → DEN Seattle → Denver	N320DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1760 km
2026-09-07 03:35 UTC	DAL2851	SEA → DEN Seattle → Denver	N337DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1790 km
2026-09-06 03:06 UTC	DAL2851	SEA → DEN Seattle → Denver	N328DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1808 km
2026-09-05 23:09 UTC	DAL2851	PHX → SEA Phoenix → Seattle	N328DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1970 km
2026-09-05 03:04 UTC	DAL2851	SEA → DEN Seattle → Denver	N321DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1784 km
2026-09-04 03:24 UTC	DAL2851	SEA → DEN Seattle → Denver	N344DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1789 km
2026-09-03 02:21 UTC	DAL2851	SEA → DEN Seattle → Denver	N343DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1862 km
2026-09-02 02:12 UTC	DAL2851	SEA → DEN Seattle → Denver	N337DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1777 km
2026-09-01 03:16 UTC	DAL2851	SEA → DEN Seattle → Denver	N340DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1854 km
2026-08-31 03:09 UTC	DAL2851	SEA → DEN Seattle → Denver	N341DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1766 km
2026-08-30 02:36 UTC	DAL2851	SEA → DEN Seattle → Denver	N319DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1745 km
2026-08-29 03:25 UTC	DAL2851	SEA → DEN Seattle → Denver	N331DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1790 km
2026-08-28 02:28 UTC	DAL2851	SEA → DEN Seattle → Denver	N334DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1747 km
2026-08-27 02:55 UTC	DAL2851	SEA → DEN Seattle → Denver	N343DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1753 km
2026-08-26 03:36 UTC	DAL2851	SEA → DEN Seattle → Denver	N302DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1762 km
2026-08-25 05:34 UTC	DAL2851	SEA → DEN Seattle → Denver	N302DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1795 km
2026-08-24 02:33 UTC	DAL2851	SEA → DEN Seattle → Denver	N310DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	1754 km
2026-08-23 03:13 UTC	DAL2851	SEA → DEN Seattle → Denver	N310DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	2709 km
2026-08-22 03:25 UTC	DAL2851	SEA → DEN Seattle → Denver	N336DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	2679 km
2026-08-21 03:15 UTC	DAL2851	SEA → DEN Seattle → Denver	N322DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	2141 km
2026-08-20 03:15 UTC	DAL2851	SEA → DEN Seattle → Denver	N343DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	2216 km
2026-08-18 23:09 UTC	DAL2851	PHX → DEN Phoenix → Denver	N336DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	5389 km
2026-08-18 04:22 UTC	DAL2851	SEA → DEN Seattle → Denver	N316DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	2127 km
2026-08-17 03:00 UTC	DAL2851	SEA → DEN Seattle → Denver	N326DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	2403 km
2026-08-16 11:30 UTC	DAL2851	DEN → SEA Denver → Seattle	N305DU	AIRBUS / BOMBARDIER BD-500 CSeries CS300	Completed	2552 km