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Delta Air Lines

Is DL2851 delayed?

Service date: · Scheduled departure date (America/Los_Angeles)

Arrived

28 min early

Updated

Departure

Seattle

SEA

Actual

Scheduled 20:07

Aug 23

Arrival

Denver

DEN

Actual

Scheduled 23:58

Aug 23

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Seattle → DenverSEADEN
Route overview

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • SEA → DEN

    7 min late

  • SEA → DEN

    3 min early

  • SEA → DEN

    18 min late

  • SEA → DEN

    48 min late

  • SEA → DEN

    32 min late
Flight history and details

Aug 18, 2026 — Sep 17, 2026

Observed arrivals
26
Arrivals over 15 minutes late
6
Observed cancellations
0
Observed occurrences
27

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

DL2851 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 16, 2026ArrivedSeattleDenver
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7
Sep 15, 2026ArrivedSeattleDenver
-3
Sep 14, 2026ArrivedSeattleDenver
18
Sep 13, 2026ArrivedSeattleDenver
48
Sep 12, 2026ArrivedSeattleDenver
32
Sep 11, 2026ArrivedSeattleDenver
-16
Sep 10, 2026ArrivedSeattleDenver
-17
Sep 9, 2026ArrivedSeattleDenver
-10
Sep 8, 2026ArrivedSeattleDenver
-16
Sep 7, 2026ArrivedSeattleDenver
-12
Sep 5, 2026ArrivedSeattleDenver
-37
Sep 4, 2026ArrivedSeattleDenver
-7
Sep 3, 2026ArrivedSeattleDenver
31
Sep 2, 2026ArrivedSeattleDenver
-16
Sep 1, 2026ArrivedSeattleDenver
-11
Aug 31, 2026ArrivedSeattleDenver
-2
Aug 30, 2026ArrivedSeattleDenver
-17
Aug 29, 2026ArrivedSeattleDenver
-29
Aug 28, 2026ArrivedSeattleDenver
-12
Aug 27, 2026ArrivedSeattleDenver
-14
Aug 26, 2026ArrivedSeattleDenver
-33
Aug 25, 2026ArrivedSeattleDenver
21
Aug 24, 2026ArrivedSeattleDenver
107
Aug 23, 2026ArrivedSeattleDenver
-28
Aug 22, 2026ArrivedSeattleDenver
-6
Aug 19, 2026ArrivedSeattleDenver
-26

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