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Alaska Airlines, Inc.

Is AS378 delayed?

No delay reported yet. AS378 is scheduled to leave Seattle at 09:31 on Nov 14 and reach Baltimore at 17:07 (as of Nov 14, 15:29 UTC).

Usually on time: arrived within 15 min of schedule on 23 of the last 30 flights.

No live update yet

Showing the published schedule until live times come in.

Update time unavailable

Departure

Seattle

SEA

Scheduled

Nov 14

Arrival

Baltimore

BWI

Scheduled

Nov 14

Times shown in airport local time

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

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

Route overview: Seattle → BaltimoreSEABWI
Seattle → Baltimore

Recent arrivals

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

  • Seattle → Baltimore

    On schedule (8 min behind)

  • Seattle → Baltimore

    2 min early

  • Seattle → Baltimore

    38 min late

  • Seattle → Baltimore

    44 min late

  • Seattle → Baltimore

    31 min early

Is AS378 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
30
On time
77%
of 30 arrivals
Late
23%
of 30 arrivals
Cancelled
0%
of 30 flights
Median arrival delay
1 min
9 in 10 arrived within
35 min

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.

How flight status works

At the airports today

Seattle (SEA) departures

Left more than 15 min late
23 of 39
Cancelled today
37
Flights from Seattle to Baltimore today

Baltimore (BWI) departures

Left more than 15 min late
31 of 55
Cancelled today
23

Related flights

Other flights SEA → BWI

Return flights BWI → SEA

All Alaska Airlines, Inc. flights

Flight history and details
AS378 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 13, 2026ArrivedSeattleBaltimore8
Nov 12, 2026ArrivedSeattleBaltimore-2
Nov 11, 2026ArrivedSeattleBaltimore38
Nov 10, 2026ArrivedSeattleBaltimore44
Nov 9, 2026ArrivedSeattleBaltimore-31
Nov 8, 2026ArrivedSeattleBaltimore-10
Nov 7, 2026ArrivedSeattleBaltimore-19
Nov 6, 2026ArrivedSeattleBaltimore-5
Nov 5, 2026ArrivedSeattleBaltimore-27
Nov 4, 2026ArrivedSeattleBaltimore-7
Nov 3, 2026ArrivedSeattleBaltimore-2
Nov 2, 2026ArrivedSeattleBaltimore28
Nov 1, 2026ArrivedSeattleBaltimore2
Oct 31, 2026ArrivedSeattleBaltimore18
Oct 30, 2026ArrivedSeattleBaltimore-1
Oct 29, 2026ArrivedSeattleBaltimore9
Oct 28, 2026ArrivedSeattleBaltimore-17
Oct 27, 2026ArrivedSeattleBaltimore1
Oct 26, 2026ArrivedSeattleBaltimore29
Oct 25, 2026ArrivedSeattleBaltimore3
Oct 24, 2026ArrivedSeattleBaltimore-15
Oct 23, 2026ArrivedSeattleBaltimore43
Oct 22, 2026ArrivedSeattleBaltimore-1
Oct 21, 2026ArrivedSeattleBaltimore2
Oct 20, 2026ArrivedSeattleBaltimore36
Oct 19, 2026ArrivedSeattleBaltimore11
Oct 18, 2026ArrivedSeattleBaltimore-2
Oct 17, 2026ArrivedSeattleBaltimore8
Oct 16, 2026ArrivedSeattleBaltimore9
Oct 15, 2026ArrivedSeattleBaltimore2
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