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Alaska Airlines, Inc.

Is AS304 delayed?

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

Arrived

14 min early

Updated

Departure

Seattle

SEA

Actual

Scheduled 12:48

Aug 28

Arrival

Denver

DEN

Actual

Scheduled 16:36

Aug 28

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

    33 min late

  • SEA → DEN

    42 min late

  • SEA → DEN

    49 min late

  • SEA → DEN

    31 min late

  • SEA → DEN

    4 min early
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
20
Arrivals over 15 minutes late
9
Observed cancellations
0
Observed occurrences
23

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

AS304 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 16, 2026ArrivedSeattleDenver
View this flight’s market
33
Sep 15, 2026ArrivedSeattleDenver
42
Sep 14, 2026ArrivedSeattleDenver
49
Sep 13, 2026ArrivedSeattleDenver
31
Sep 11, 2026ArrivedSeattleDenver
-4
Sep 10, 2026ArrivedSeattleDenver
75
Sep 9, 2026ArrivedSeattleDenver
0
Sep 8, 2026ArrivedSeattleDenver
14
Sep 7, 2026ArrivedSeattleDenver
3
Sep 6, 2026ArrivedSeattleDenver
7
Sep 4, 2026ArrivedSeattleDenver
66
Sep 3, 2026ArrivedSeattleDenver
-14
Sep 2, 2026ArrivedSeattleDenver
-10
Sep 1, 2026ArrivedSeattleDenver
1
Aug 31, 2026ArrivedSeattleDenver
22
Aug 30, 2026ArrivedSeattleDenver
36
Aug 28, 2026ArrivedSeattleDenver
-14
Aug 27, 2026ArrivedSeattleDenver
-14
Aug 26, 2026ArrivedSeattleDenver
0
Aug 24, 2026ArrivedSeattleDenver
39

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